3640764037 has 2 divisors, whose sum is σ = 3640764038. Its totient is φ = 3640764036.

The previous prime is 3640763989. The next prime is 3640764053. The reversal of 3640764037 is 7304670463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3414532356 + 226231681 = 58434^2 + 15041^2 .

It is a cyclic number.

It is not a de Polignac number, because 3640764037 - 2²³ = 3632375429 is a prime.

It is a super-2 number, since 2×3640764037² = 26510325546225074738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3640764137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820382018 + 1820382019.

It is an arithmetic number, because the mean of its divisors is an integer number (1820382019).

Almost surely, 2^3640764037 is an apocalyptic number.

It is an amenable number.

3640764037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640764037 is an equidigital number, since it uses as much as digits as its factorization.

3640764037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 40.

The square root of 3640764037 is about 60338.7440787426. The cubic root of 3640764037 is about 1538.3819567353.

The spelling of 3640764037 in words is "three billion, six hundred forty million, seven hundred sixty-four thousand, thirty-seven".