3640624313 has 2 divisors, whose sum is σ = 3640624314. Its totient is φ = 3640624312.

The previous prime is 3640624303. The next prime is 3640624321. The reversal of 3640624313 is 3134260463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2515223104 + 1125401209 = 50152^2 + 33547^2 .

It is a cyclic number.

It is not a de Polignac number, because 3640624313 - 2⁴ = 3640624297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3640624313.

It is not a weakly prime, because it can be changed into another prime (3640624303) 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, 1820312156 + 1820312157.

It is an arithmetic number, because the mean of its divisors is an integer number (1820312157).

Almost surely, 2^3640624313 is an apocalyptic number.

It is an amenable number.

3640624313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640624313 is an equidigital number, since it uses as much as digits as its factorization.

3640624313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 3640624313 is about 60337.5862377673. The cubic root of 3640624313 is about 1538.3622766509.

Adding to 3640624313 its reverse (3134260463), we get a palindrome (6774884776).

The spelling of 3640624313 in words is "three billion, six hundred forty million, six hundred twenty-four thousand, three hundred thirteen".