345858562369 has 2 divisors, whose sum is σ = 345858562370. Its totient is φ = 345858562368.

The previous prime is 345858562363. The next prime is 345858562393. The reversal of 345858562369 is 963265858543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229670977600 + 116187584769 = 479240^2 + 340863^2 .

It is a cyclic number.

It is not a de Polignac number, because 345858562369 - 2²⁵ = 345825007937 is a prime.

It is a super-2 number, since 2×345858562369² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345858562369.

It is not a weakly prime, because it can be changed into another prime (345858562363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172929281184 + 172929281185.

It is an arithmetic number, because the mean of its divisors is an integer number (172929281185).

Almost surely, 2^345858562369 is an apocalyptic number.

It is an amenable number.

345858562369 is a deficient number, since it is larger than the sum of its proper divisors (1).

345858562369 is an equidigital number, since it uses as much as digits as its factorization.

345858562369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624000, while the sum is 64.

The spelling of 345858562369 in words is "three hundred forty-five billion, eight hundred fifty-eight million, five hundred sixty-two thousand, three hundred sixty-nine".