3216396613 has 4 divisors (see below), whose sum is σ = 3356239968. Its totient is φ = 3076553260.

The previous prime is 3216396587. The next prime is 3216396697. The reversal of 3216396613 is 3166936123.

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 3216396613 - 2⁵ = 3216396581 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216390613) 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, 69921643 + ... + 69921688.

It is an arithmetic number, because the mean of its divisors is an integer number (839059992).

Almost surely, 2^3216396613 is an apocalyptic number.

It is an amenable number.

3216396613 is a deficient number, since it is larger than the sum of its proper divisors (139843355).

3216396613 is a wasteful number, since it uses less digits than its factorization.

3216396613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139843354.

The product of its digits is 104976, while the sum is 40.

The square root of 3216396613 is about 56713.2842727345. The cubic root of 3216396613 is about 1476.1252144479.

The spelling of 3216396613 in words is "three billion, two hundred sixteen million, three hundred ninety-six thousand, six hundred thirteen".