3378564638 has 8 divisors (see below), whose sum is σ = 5175673632. Its totient is φ = 1653340096.

The previous prime is 3378564619. The next prime is 3378564647. The reversal of 3378564638 is 8364658733.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3378564638² = 22829398026288142088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3378564638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17970995 + ... + 17971182.

It is an arithmetic number, because the mean of its divisors is an integer number (646959204).

Almost surely, 2^3378564638 is an apocalyptic number.

3378564638 is a deficient number, since it is larger than the sum of its proper divisors (1797108994).

3378564638 is a wasteful number, since it uses less digits than its factorization.

3378564638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35942226.

The product of its digits is 8709120, while the sum is 53.

The square root of 3378564638 is about 58125.4216156752. The cubic root of 3378564638 is about 1500.5279087050.

The spelling of 3378564638 in words is "three billion, three hundred seventy-eight million, five hundred sixty-four thousand, six hundred thirty-eight".