29968902057 has 16 divisors (see below), whose sum is σ = 40114206720. Its totient is φ = 19901481600.

The previous prime is 29968902049. The next prime is 29968902077. The reversal of 29968902057 is 75020986992.

It is not a de Polignac number, because 29968902057 - 2³ = 29968902049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29968901988 and 29968902006.

It is not an unprimeable number, because it can be changed into a prime (29968902037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4775832 + ... + 4782102.

It is an arithmetic number, because the mean of its divisors is an integer number (2507137920).

Almost surely, 2^29968902057 is an apocalyptic number.

It is an amenable number.

29968902057 is a deficient number, since it is larger than the sum of its proper divisors (10145304663).

29968902057 is a wasteful number, since it uses less digits than its factorization.

29968902057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224.

The product of its (nonzero) digits is 4898880, while the sum is 57.

The spelling of 29968902057 in words is "twenty-nine billion, nine hundred sixty-eight million, nine hundred two thousand, fifty-seven".