29949755733769 has 3 divisors (see below), whose sum is σ = 29949761206407. Its totient is φ = 29949750261132.

The previous prime is 29949755733761. The next prime is 29949755733791. The reversal of 29949755733769 is 96733755794992.

The square root of 29949755733769 is 5472637.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 98699647225 + 29851056086544 = 314165^2 + 5463612^2 .

It is not a de Polignac number, because 29949755733769 - 2³ = 29949755733761 is a prime.

It is a super-2 number, since 2×29949755733769² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29949755733761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2736319 + ... + 8208955.

It is an arithmetic number, because the mean of its divisors is an integer number (9983253735469).

Almost surely, 2^{29949755733769} is an apocalyptic number.

29949755733769 is the 5472637-th square number.

29949755733769 is the 2736319-th centered octagonal number.

It is an amenable number.

29949755733769 is a deficient number, since it is larger than the sum of its proper divisors (5472638).

29949755733769 is an frugal number, since it uses more digits than its factorization.

29949755733769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10945274 (or 5472637 counting only the distinct ones).

The product of its digits is 24304568400, while the sum is 85.

The spelling of 29949755733769 in words is "twenty-nine trillion, nine hundred forty-nine billion, seven hundred fifty-five million, seven hundred thirty-three thousand, seven hundred sixty-nine".