29964994817 has 4 divisors (see below), whose sum is σ = 30261678036. Its totient is φ = 29668311600.

The previous prime is 29964994789. The next prime is 29964994819. The reversal of 29964994817 is 71849946992.

It is a Cunningham number, because it is equal to 173104²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28789944976 + 1175049841 = 169676^2 + 34279^2 .

It is a cyclic number.

It is not a de Polignac number, because 29964994817 - 2⁸ = 29964994561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29964994819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148341458 + ... + 148341659.

It is an arithmetic number, because the mean of its divisors is an integer number (7565419509).

Almost surely, 2^29964994817 is an apocalyptic number.

It is an amenable number.

29964994817 is a deficient number, since it is larger than the sum of its proper divisors (296683219).

29964994817 is a wasteful number, since it uses less digits than its factorization.

29964994817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296683218.

The product of its digits is 70543872, while the sum is 68.

The spelling of 29964994817 in words is "twenty-nine billion, nine hundred sixty-four million, nine hundred ninety-four thousand, eight hundred seventeen".