3640758313 has 4 divisors (see below), whose sum is σ = 3646528768. Its totient is φ = 3634987860.

The previous prime is 3640758311. The next prime is 3640758323. The reversal of 3640758313 is 3138570463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3138570463 = 7 ⋅448367209.

It is a cyclic number.

It is not a de Polignac number, because 3640758313 - 2¹ = 3640758311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3640758311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2884281 + ... + 2885542.

It is an arithmetic number, because the mean of its divisors is an integer number (911632192).

Almost surely, 2^3640758313 is an apocalyptic number.

It is an amenable number.

3640758313 is a deficient number, since it is larger than the sum of its proper divisors (5770455).

3640758313 is an equidigital number, since it uses as much as digits as its factorization.

3640758313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770454.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 3640758313 is about 60338.6966465137. The cubic root of 3640758313 is about 1538.3811505215.

The spelling of 3640758313 in words is "three billion, six hundred forty million, seven hundred fifty-eight thousand, three hundred thirteen".