345213700057 has 2 divisors, whose sum is σ = 345213700058. Its totient is φ = 345213700056.

The previous prime is 345213700031. The next prime is 345213700087. The reversal of 345213700057 is 750007312543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301500926281 + 43712773776 = 549091^2 + 209076^2 .

It is a cyclic number.

It is not a de Polignac number, because 345213700057 - 2³⁵ = 310853961689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345213699989 and 345213700025.

It is not a weakly prime, because it can be changed into another prime (345213700087) 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 as a sum of consecutive naturals, namely, 172606850028 + 172606850029.

It is an arithmetic number, because the mean of its divisors is an integer number (172606850029).

Almost surely, 2^345213700057 is an apocalyptic number.

It is an amenable number.

345213700057 is a deficient number, since it is larger than the sum of its proper divisors (1).

345213700057 is an equidigital number, since it uses as much as digits as its factorization.

345213700057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 37.

The spelling of 345213700057 in words is "three hundred forty-five billion, two hundred thirteen million, seven hundred thousand, fifty-seven".