29929625961 has 8 divisors (see below), whose sum is σ = 42253589664. Its totient is φ = 18779373120.

The previous prime is 29929625903. The next prime is 29929625963. The reversal of 29929625961 is 16952692992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29929625961 - 2⁷ = 29929625833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29929625895 and 29929625904.

It is not an unprimeable number, because it can be changed into a prime (29929625963) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 293427655 + ... + 293427756.

It is an arithmetic number, because the mean of its divisors is an integer number (5281698708).

Almost surely, 2^29929625961 is an apocalyptic number.

It is an amenable number.

29929625961 is a deficient number, since it is larger than the sum of its proper divisors (12323963703).

29929625961 is a wasteful number, since it uses less digits than its factorization.

29929625961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586855431.

The product of its digits is 9447840, while the sum is 60.

The spelling of 29929625961 in words is "twenty-nine billion, nine hundred twenty-nine million, six hundred twenty-five thousand, nine hundred sixty-one".