2631050689 has 2 divisors, whose sum is σ = 2631050690. Its totient is φ = 2631050688.

The previous prime is 2631050687. The next prime is 2631050699. The reversal of 2631050689 is 9860501362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2219163664 + 411887025 = 47108^2 + 20295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2631050689 - 2¹ = 2631050687 is a prime.

Together with 2631050687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2631050683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315525344 + 1315525345.

It is an arithmetic number, because the mean of its divisors is an integer number (1315525345).

Almost surely, 2^2631050689 is an apocalyptic number.

It is an amenable number.

2631050689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2631050689 is an equidigital number, since it uses as much as digits as its factorization.

2631050689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2631050689 is about 51293.7685201624. The cubic root of 2631050689 is about 1380.5211727836.

The spelling of 2631050689 in words is "two billion, six hundred thirty-one million, fifty thousand, six hundred eighty-nine".