2690625137 has 2 divisors, whose sum is σ = 2690625138. Its totient is φ = 2690625136.

The previous prime is 2690625107. The next prime is 2690625181. The reversal of 2690625137 is 7315260962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2682307681 + 8317456 = 51791^2 + 2884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2690625137 - 2¹⁰ = 2690624113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2690625094 and 2690625103.

It is not a weakly prime, because it can be changed into another prime (2690625107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345312568 + 1345312569.

It is an arithmetic number, because the mean of its divisors is an integer number (1345312569).

Almost surely, 2^2690625137 is an apocalyptic number.

It is an amenable number.

2690625137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690625137 is an equidigital number, since it uses as much as digits as its factorization.

2690625137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 2690625137 is about 51871.2361236938. The cubic root of 2690625137 is about 1390.8631419437.

The spelling of 2690625137 in words is "two billion, six hundred ninety million, six hundred twenty-five thousand, one hundred thirty-seven".