6923715494638 has 16 divisors (see below), whose sum is σ = 10498627056960. Its totient is φ = 3424213863936.

The previous prime is 6923715494623. The next prime is 6923715494671. The reversal of 6923715494638 is 8364945173296.

It is a congruent number.

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, 9839398 + ... + 10519561.

It is an arithmetic number, because the mean of its divisors is an integer number (656164191060).

Almost surely, 2^{6923715494638} is an apocalyptic number.

6923715494638 is a deficient number, since it is larger than the sum of its proper divisors (3574911562322).

6923715494638 is a wasteful number, since it uses less digits than its factorization.

6923715494638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20360811.

The product of its digits is 235146240, while the sum is 67.

The spelling of 6923715494638 in words is "six trillion, nine hundred twenty-three billion, seven hundred fifteen million, four hundred ninety-four thousand, six hundred thirty-eight".