29109819456 has 63 divisors (see below), whose sum is σ = 83449780141. Its totient is φ = 9701908224.

The previous prime is 29109819451. The next prime is 29109819463. The reversal of 29109819456 is 65491890192.

The square root of 29109819456 is 170616.

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

29109819456 is a `hidden beast` number, since 2 + 9 + 109 + 81 + 9 + 456 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4171093056 + 24938726400 = 64584^2 + 157920^2 .

It is a super-2 number, since 2×29109819456² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29109819451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4091230 + ... + 4098338.

Almost surely, 2^29109819456 is an apocalyptic number.

29109819456 is the 170616-th square number.

It is an amenable number.

29109819456 is an abundant number, since it is smaller than the sum of its proper divisors (54339960685).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29109819456 is an frugal number, since it uses more digits than its factorization.

29109819456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14236 (or 7114 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 29109819456 in words is "twenty-nine billion, one hundred nine million, eight hundred nineteen thousand, four hundred fifty-six".