29772472135 has 16 divisors (see below), whose sum is σ = 40894350336. Its totient is φ = 20383643808.

The previous prime is 29772472127. The next prime is 29772472211. The reversal of 29772472135 is 53127427792.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 29772472135 - 2³ = 29772472127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638959 + ... + 683968.

It is an arithmetic number, because the mean of its divisors is an integer number (2555896896).

Almost surely, 2^29772472135 is an apocalyptic number.

29772472135 is a deficient number, since it is larger than the sum of its proper divisors (11121878201).

29772472135 is a wasteful number, since it uses less digits than its factorization.

29772472135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323582.

The product of its digits is 1481760, while the sum is 49.

The spelling of 29772472135 in words is "twenty-nine billion, seven hundred seventy-two million, four hundred seventy-two thousand, one hundred thirty-five".