2637601651 has 2 divisors, whose sum is σ = 2637601652. Its totient is φ = 2637601650.

The previous prime is 2637601621. The next prime is 2637601661. The reversal of 2637601651 is 1561067362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2637601651 - 2¹¹ = 2637599603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2637601651.

It is not a weakly prime, because it can be changed into another prime (2637601621) 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, 1318800825 + 1318800826.

It is an arithmetic number, because the mean of its divisors is an integer number (1318800826).

Almost surely, 2^2637601651 is an apocalyptic number.

2637601651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2637601651 is an equidigital number, since it uses as much as digits as its factorization.

2637601651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2637601651 is about 51357.5861095515. The cubic root of 2637601651 is about 1381.6659937793.

The spelling of 2637601651 in words is "two billion, six hundred thirty-seven million, six hundred one thousand, six hundred fifty-one".