29657453865 has 16 divisors (see below), whose sum is σ = 51102074688. Its totient is φ = 14600592576.

The previous prime is 29657453827. The next prime is 29657453873. The reversal of 29657453865 is 56835475692.

It is not a de Polignac number, because 29657453865 - 2⁶ = 29657453801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29657453799 and 29657453808.

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, 76044559 + ... + 76044948.

It is an arithmetic number, because the mean of its divisors is an integer number (3193879668).

Almost surely, 2^29657453865 is an apocalyptic number.

It is an amenable number.

29657453865 is a deficient number, since it is larger than the sum of its proper divisors (21444620823).

29657453865 is a wasteful number, since it uses less digits than its factorization.

29657453865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152089528.

The product of its digits is 54432000, while the sum is 60.

The spelling of 29657453865 in words is "twenty-nine billion, six hundred fifty-seven million, four hundred fifty-three thousand, eight hundred sixty-five".