29569972065 has 16 divisors (see below), whose sum is σ = 47320848000. Its totient is φ = 15767687552.

The previous prime is 29569972043. The next prime is 29569972079. The reversal of 29569972065 is 56027996592.

It is a cyclic number.

It is not a de Polignac number, because 29569972065 - 2⁶ = 29569972001 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101580 + ... + 263549.

It is an arithmetic number, because the mean of its divisors is an integer number (2957553000).

Almost surely, 2^29569972065 is an apocalyptic number.

It is an amenable number.

29569972065 is a deficient number, since it is larger than the sum of its proper divisors (17750875935).

29569972065 is a wasteful number, since it uses less digits than its factorization.

29569972065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370536.

The product of its (nonzero) digits is 18370800, while the sum is 60.

The spelling of 29569972065 in words is "twenty-nine billion, five hundred sixty-nine million, nine hundred seventy-two thousand, sixty-five".