37428616725421 has 16 divisors (see below), whose sum is σ = 39573770711040. Its totient is φ = 35348445740160.

The previous prime is 37428616725341. The next prime is 37428616725439. The reversal of 37428616725421 is 12452761682473.

It is not a de Polignac number, because 37428616725421 - 2⁹ = 37428616724909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37428616735421) 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, 71305656 + ... + 71828641.

It is an arithmetic number, because the mean of its divisors is an integer number (2473360669440).

Almost surely, 2^{37428616725421} is an apocalyptic number.

It is an amenable number.

37428616725421 is a deficient number, since it is larger than the sum of its proper divisors (2145153985619).

37428616725421 is a wasteful number, since it uses less digits than its factorization.

37428616725421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143134524.

The product of its digits is 27095040, while the sum is 58.

The spelling of 37428616725421 in words is "thirty-seven trillion, four hundred twenty-eight billion, six hundred sixteen million, seven hundred twenty-five thousand, four hundred twenty-one".