357172714603921 has 2 divisors, whose sum is σ = 357172714603922. Its totient is φ = 357172714603920.

The previous prime is 357172714603847. The next prime is 357172714603933. The reversal of 357172714603921 is 129306417271753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356042934810000 + 1129779793921 = 18869100^2 + 1062911^2 .

It is a cyclic number.

It is not a de Polignac number, because 357172714603921 - 2³⁵ = 357138354865553 is a prime.

It is not a weakly prime, because it can be changed into another prime (357172714603961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178586357301960 + 178586357301961.

It is an arithmetic number, because the mean of its divisors is an integer number (178586357301961).

Almost surely, 2^{357172714603921} is an apocalyptic number.

It is an amenable number.

357172714603921 is a deficient number, since it is larger than the sum of its proper divisors (1).

357172714603921 is an equidigital number, since it uses as much as digits as its factorization.

357172714603921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 357172714603921 in words is "three hundred fifty-seven trillion, one hundred seventy-two billion, seven hundred fourteen million, six hundred three thousand, nine hundred twenty-one".