345536820659 has 2 divisors, whose sum is σ = 345536820660. Its totient is φ = 345536820658.

The previous prime is 345536820631. The next prime is 345536820691. The reversal of 345536820659 is 956028635543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345536820659 - 2⁸ = 345536820403 is a prime.

It is a super-2 number, since 2×345536820659² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (345536820859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172768410329 + 172768410330.

It is an arithmetic number, because the mean of its divisors is an integer number (172768410330).

Almost surely, 2^345536820659 is an apocalyptic number.

345536820659 is a deficient number, since it is larger than the sum of its proper divisors (1).

345536820659 is an equidigital number, since it uses as much as digits as its factorization.

345536820659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328000, while the sum is 56.

The spelling of 345536820659 in words is "three hundred forty-five billion, five hundred thirty-six million, eight hundred twenty thousand, six hundred fifty-nine".