29059997949 has 12 divisors (see below), whose sum is σ = 42663677212. Its totient is φ = 19055736000.

The previous prime is 29059997947. The next prime is 29059997977. The reversal of 29059997949 is 94979995092.

29059997949 is a `hidden beast` number, since 29 + 0 + 599 + 9 + 7 + 9 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 259532100 + 28800465849 = 16110^2 + 169707^2 .

It is not a de Polignac number, because 29059997949 - 2¹ = 29059997947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29059997947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26465752 + ... + 26466849.

Almost surely, 2^29059997949 is an apocalyptic number.

It is an amenable number.

29059997949 is a deficient number, since it is larger than the sum of its proper divisors (13603679263).

29059997949 is a wasteful number, since it uses less digits than its factorization.

29059997949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52932668 (or 52932665 counting only the distinct ones).

The product of its (nonzero) digits is 148803480, while the sum is 72.

The spelling of 29059997949 in words is "twenty-nine billion, fifty-nine million, nine hundred ninety-seven thousand, nine hundred forty-nine".