372144451175421 has 16 divisors (see below), whose sum is σ = 504205938552000. Its totient is φ = 244098565780608.

The previous prime is 372144451175417. The next prime is 372144451175479. The reversal of 372144451175421 is 124571154441273.

It is not a de Polignac number, because 372144451175421 - 2² = 372144451175417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372144451175411) 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, 1116519096 + ... + 1116852353.

It is an arithmetic number, because the mean of its divisors is an integer number (31512871159500).

Almost surely, 2^{372144451175421} is an apocalyptic number.

It is an amenable number.

372144451175421 is a deficient number, since it is larger than the sum of its proper divisors (132061487376579).

372144451175421 is a wasteful number, since it uses less digits than its factorization.

372144451175421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233372348.

The product of its digits is 3763200, while the sum is 51.

The spelling of 372144451175421 in words is "three hundred seventy-two trillion, one hundred forty-four billion, four hundred fifty-one million, one hundred seventy-five thousand, four hundred twenty-one".