2690390302931 has 2 divisors, whose sum is σ = 2690390302932. Its totient is φ = 2690390302930.

The previous prime is 2690390302907. The next prime is 2690390302969. The reversal of 2690390302931 is 1392030930962.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2690390302931 is a prime.

It is a super-2 number, since 2×2690390302931² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2690390302981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345195151465 + 1345195151466.

It is an arithmetic number, because the mean of its divisors is an integer number (1345195151466).

Almost surely, 2^{2690390302931} is an apocalyptic number.

2690390302931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690390302931 is an equidigital number, since it uses as much as digits as its factorization.

2690390302931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 47.

The spelling of 2690390302931 in words is "two trillion, six hundred ninety billion, three hundred ninety million, three hundred two thousand, nine hundred thirty-one".