3664670613 has 4 divisors (see below), whose sum is σ = 4886227488. Its totient is φ = 2443113740.

The previous prime is 3664670539. The next prime is 3664670627. The reversal of 3664670613 is 3160764663.

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.

It is a cyclic number.

It is not a de Polignac number, because 3664670613 - 2⁸ = 3664670357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664670413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610778433 + ... + 610778438.

It is an arithmetic number, because the mean of its divisors is an integer number (1221556872).

Almost surely, 2^3664670613 is an apocalyptic number.

It is an amenable number.

3664670613 is a deficient number, since it is larger than the sum of its proper divisors (1221556875).

3664670613 is a wasteful number, since it uses less digits than its factorization.

3664670613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221556874.

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 3664670613 is about 60536.5229675441. The cubic root of 3664670613 is about 1541.7418045729.

The spelling of 3664670613 in words is "three billion, six hundred sixty-four million, six hundred seventy thousand, six hundred thirteen".