3218984465 has 16 divisors (see below), whose sum is σ = 4081233600. Its totient is φ = 2430562752.

The previous prime is 3218984443. The next prime is 3218984467. The reversal of 3218984465 is 5644898123.

It is a cyclic number.

It is not a de Polignac number, because 3218984465 - 2⁶ = 3218984401 is a prime.

It is a super-2 number, since 2×3218984465² = 20723721971822672450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3218984467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37427 + ... + 88536.

It is an arithmetic number, because the mean of its divisors is an integer number (255077100).

Almost surely, 2^3218984465 is an apocalyptic number.

It is an amenable number.

3218984465 is a deficient number, since it is larger than the sum of its proper divisors (862249135).

3218984465 is a wasteful number, since it uses less digits than its factorization.

3218984465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126256.

The product of its digits is 1658880, while the sum is 50.

The square root of 3218984465 is about 56736.0949043905. The cubic root of 3218984465 is about 1476.5209958152.

The spelling of 3218984465 in words is "three billion, two hundred eighteen million, nine hundred eighty-four thousand, four hundred sixty-five".