690591811059 has 12 divisors (see below), whose sum is σ = 997633789776. Its totient is φ = 460342716912.

The previous prime is 690591811003. The next prime is 690591811061. The reversal of 690591811059 is 950118195096.

It is not a de Polignac number, because 690591811059 - 2⁹ = 690591810547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690591810996 and 690591811014.

It is not an unprimeable number, because it can be changed into a prime (690591811159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4234167 + ... + 4394240.

It is an arithmetic number, because the mean of its divisors is an integer number (83136149148).

Almost surely, 2^690591811059 is an apocalyptic number.

690591811059 is a deficient number, since it is larger than the sum of its proper divisors (307041978717).

690591811059 is a wasteful number, since it uses less digits than its factorization.

690591811059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8637306 (or 8637303 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 54.

The spelling of 690591811059 in words is "six hundred ninety billion, five hundred ninety-one million, eight hundred eleven thousand, fifty-nine".