3378564639 has 12 divisors (see below), whose sum is σ = 4941924000. Its totient is φ = 2223864864.

The previous prime is 3378564619. The next prime is 3378564647. The reversal of 3378564639 is 9364658733.

3378564639 is a `hidden beast` number, since 3 + 3 + 78 + 564 + 6 + 3 + 9 = 666.

3378564639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3378564639 - 2⁸ = 3378564383 is a prime.

It is a super-2 number, since 2×3378564639² = 22829398039802400642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3378564619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2375214 + ... + 2376635.

It is an arithmetic number, because the mean of its divisors is an integer number (411827000).

Almost surely, 2^3378564639 is an apocalyptic number.

3378564639 is a deficient number, since it is larger than the sum of its proper divisors (1563359361).

3378564639 is a wasteful number, since it uses less digits than its factorization.

3378564639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751934 (or 4751931 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The square root of 3378564639 is about 58125.4216242773. The cubic root of 3378564639 is about 1500.5279088530.

The spelling of 3378564639 in words is "three billion, three hundred seventy-eight million, five hundred sixty-four thousand, six hundred thirty-nine".