3613579397 has 4 divisors (see below), whose sum is σ = 3616687680. Its totient is φ = 3610471116.

The previous prime is 3613579373. The next prime is 3613579441. The reversal of 3613579397 is 7939753163.

3613579397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3613579397 - 2¹⁰ = 3613578373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3613579327) 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, 1552397 + ... + 1554722.

It is an arithmetic number, because the mean of its divisors is an integer number (904171920).

Almost surely, 2^3613579397 is an apocalyptic number.

It is an amenable number.

3613579397 is a deficient number, since it is larger than the sum of its proper divisors (3108283).

3613579397 is a wasteful number, since it uses less digits than its factorization.

3613579397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3108282.

The product of its digits is 3214890, while the sum is 53.

The square root of 3613579397 is about 60113.0551294808. The cubic root of 3613579397 is about 1534.5434876263.

The spelling of 3613579397 in words is "three billion, six hundred thirteen million, five hundred seventy-nine thousand, three hundred ninety-seven".