29297722656 has 48 divisors (see below), whose sum is σ = 77153888448. Its totient is φ = 9734496000.

The previous prime is 29297722609. The next prime is 29297722673. The reversal of 29297722656 is 65622779292.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 29297722596 and 29297722605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460795 + ... + 520506.

It is an arithmetic number, because the mean of its divisors is an integer number (1607372676).

Almost surely, 2^29297722656 is an apocalyptic number.

It is an amenable number.

29297722656 is an abundant number, since it is smaller than the sum of its proper divisors (47856165792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29297722656 is a wasteful number, since it uses less digits than its factorization.

29297722656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981625 (or 981617 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 57.

The spelling of 29297722656 in words is "twenty-nine billion, two hundred ninety-seven million, seven hundred twenty-two thousand, six hundred fifty-six".