9938912057 has 8 divisors (see below), whose sum is σ = 10089024000. Its totient is φ = 9788852304.

The previous prime is 9938912051. The next prime is 9938912069. The reversal of 9938912057 is 7502198399.

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

It is a cyclic number.

It is not a de Polignac number, because 9938912057 - 2⁶ = 9938911993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9938912051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555944 + ... + 573542.

It is an arithmetic number, because the mean of its divisors is an integer number (1261128000).

Almost surely, 2^9938912057 is an apocalyptic number.

It is an amenable number.

9938912057 is a deficient number, since it is larger than the sum of its proper divisors (150111943).

9938912057 is a wasteful number, since it uses less digits than its factorization.

9938912057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26095.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 9938912057 is about 99694.0923876636. The cubic root of 9938912057 is about 2150.0387270471.

The spelling of 9938912057 in words is "nine billion, nine hundred thirty-eight million, nine hundred twelve thousand, fifty-seven".