6123745657 has 16 divisors (see below), whose sum is σ = 6500736000. Its totient is φ = 5752371600.

The previous prime is 6123745651. The next prime is 6123745681. The reversal of 6123745657 is 7565473216.

It is a de Polignac number, because none of the positive numbers 2^k-6123745657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6123745651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1854594 + ... + 1857892.

It is an arithmetic number, because the mean of its divisors is an integer number (406296000).

Almost surely, 2^6123745657 is an apocalyptic number.

It is an amenable number.

6123745657 is a deficient number, since it is larger than the sum of its proper divisors (376990343).

6123745657 is a wasteful number, since it uses less digits than its factorization.

6123745657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116.

The product of its digits is 1058400, while the sum is 46.

The square root of 6123745657 is about 78254.3650986959. The cubic root of 6123745657 is about 1829.5279478586.

The spelling of 6123745657 in words is "six billion, one hundred twenty-three million, seven hundred forty-five thousand, six hundred fifty-seven".