345444400589 has 2 divisors, whose sum is σ = 345444400590. Its totient is φ = 345444400588.

The previous prime is 345444400571. The next prime is 345444400633. The reversal of 345444400589 is 985004444543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344236838089 + 1207562500 = 586717^2 + 34750^2 .

It is a cyclic number.

It is not a de Polignac number, because 345444400589 - 2²⁰ = 345443352013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345444400559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172722200294 + 172722200295.

It is an arithmetic number, because the mean of its divisors is an integer number (172722200295).

Almost surely, 2^345444400589 is an apocalyptic number.

It is an amenable number.

345444400589 is a deficient number, since it is larger than the sum of its proper divisors (1).

345444400589 is an equidigital number, since it uses as much as digits as its factorization.

345444400589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 345444400589 in words is "three hundred forty-five billion, four hundred forty-four million, four hundred thousand, five hundred eighty-nine".