6438175613457 has 16 divisors (see below), whose sum is σ = 9948730125312. Its totient is φ = 3627141189840.

The previous prime is 6438175613449. The next prime is 6438175613489. The reversal of 6438175613457 is 7543165718346.

It is not a de Polignac number, because 6438175613457 - 2³ = 6438175613449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6438175613457.

It is not an unprimeable number, because it can be changed into a prime (6438175613417) 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, 2159011123 + ... + 2159014104.

It is an arithmetic number, because the mean of its divisors is an integer number (621795632832).

Almost surely, 2^{6438175613457} is an apocalyptic number.

It is an amenable number.

6438175613457 is a deficient number, since it is larger than the sum of its proper divisors (3510554511855).

6438175613457 is a wasteful number, since it uses less digits than its factorization.

6438175613457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318025308.

The product of its digits is 50803200, while the sum is 60.

The spelling of 6438175613457 in words is "six trillion, four hundred thirty-eight billion, one hundred seventy-five million, six hundred thirteen thousand, four hundred fifty-seven".