690718882859 has 2 divisors, whose sum is σ = 690718882860. Its totient is φ = 690718882858.

The previous prime is 690718882849. The next prime is 690718882933. The reversal of 690718882859 is 958288817096.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 690718882859 - 2⁸ = 690718882603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690718882792 and 690718882801.

It is not a weakly prime, because it can be changed into another prime (690718882829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345359441429 + 345359441430.

It is an arithmetic number, because the mean of its divisors is an integer number (345359441430).

Almost surely, 2^690718882859 is an apocalyptic number.

690718882859 is a deficient number, since it is larger than the sum of its proper divisors (1).

690718882859 is an equidigital number, since it uses as much as digits as its factorization.

690718882859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139345920, while the sum is 71.

The spelling of 690718882859 in words is "six hundred ninety billion, seven hundred eighteen million, eight hundred eighty-two thousand, eight hundred fifty-nine".