357745124421 has 32 divisors (see below), whose sum is σ = 557930624000. Its totient is φ = 225926676144.

The previous prime is 357745124369. The next prime is 357745124447. The reversal of 357745124421 is 124421547753.

357745124421 is a `hidden beast` number, since 3 + 5 + 7 + 74 + 512 + 44 + 21 = 666.

It is not a de Polignac number, because 357745124421 - 2⁶ = 357745124357 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 (357745124491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10624350 + ... + 10657968.

It is an arithmetic number, because the mean of its divisors is an integer number (17435332000).

Almost surely, 2^357745124421 is an apocalyptic number.

It is an amenable number.

357745124421 is a deficient number, since it is larger than the sum of its proper divisors (200185499579).

357745124421 is a wasteful number, since it uses less digits than its factorization.

357745124421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54390 (or 54384 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The spelling of 357745124421 in words is "three hundred fifty-seven billion, seven hundred forty-five million, one hundred twenty-four thousand, four hundred twenty-one".