690590537339 has 2 divisors, whose sum is σ = 690590537340. Its totient is φ = 690590537338.

The previous prime is 690590537323. The next prime is 690590537347. The reversal of 690590537339 is 933735095096.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 690590537339 - 2⁴ = 690590537323 is a prime.

It is not a weakly prime, because it can be changed into another prime (690590537389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345295268669 + 345295268670.

It is an arithmetic number, because the mean of its divisors is an integer number (345295268670).

Almost surely, 2^690590537339 is an apocalyptic number.

690590537339 is a deficient number, since it is larger than the sum of its proper divisors (1).

690590537339 is an equidigital number, since it uses as much as digits as its factorization.

690590537339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20667150, while the sum is 59.

The spelling of 690590537339 in words is "six hundred ninety billion, five hundred ninety million, five hundred thirty-seven thousand, three hundred thirty-nine".