2690382637 has 2 divisors, whose sum is σ = 2690382638. Its totient is φ = 2690382636.

The previous prime is 2690382599. The next prime is 2690382679. The reversal of 2690382637 is 7362830962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2607736356 + 82646281 = 51066^2 + 9091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2690382637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2690382437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345191318 + 1345191319.

It is an arithmetic number, because the mean of its divisors is an integer number (1345191319).

Almost surely, 2^2690382637 is an apocalyptic number.

It is an amenable number.

2690382637 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690382637 is an equidigital number, since it uses as much as digits as its factorization.

2690382637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 2690382637 is about 51868.8985520225. The cubic root of 2690382637 is about 1390.8213555647.

The spelling of 2690382637 in words is "two billion, six hundred ninety million, three hundred eighty-two thousand, six hundred thirty-seven".