6912638057 has 8 divisors (see below), whose sum is σ = 7446759936. Its totient is φ = 6378856272.

The previous prime is 6912638011. The next prime is 6912638069. The reversal of 6912638057 is 7508362196.

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 6912638057 - 2¹⁴ = 6912621673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6912638077) 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, 41993 + ... + 124854.

It is an arithmetic number, because the mean of its divisors is an integer number (930844992).

Almost surely, 2^6912638057 is an apocalyptic number.

It is an amenable number.

6912638057 is a deficient number, since it is larger than the sum of its proper divisors (534121879).

6912638057 is a wasteful number, since it uses less digits than its factorization.

6912638057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170047.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 6912638057 is about 83142.2759912188. The cubic root of 6912638057 is about 1904.9398746991.

The spelling of 6912638057 in words is "six billion, nine hundred twelve million, six hundred thirty-eight thousand, fifty-seven".