3639999854 has 8 divisors (see below), whose sum is σ = 5499854208. Its totient is φ = 1806715120.

The previous prime is 3639999823. The next prime is 3639999871. The reversal of 3639999854 is 4589999363.

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

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, 6642062 + ... + 6642609.

It is an arithmetic number, because the mean of its divisors is an integer number (687481776).

Almost surely, 2^3639999854 is an apocalyptic number.

3639999854 is a deficient number, since it is larger than the sum of its proper divisors (1859854354).

3639999854 is a wasteful number, since it uses less digits than its factorization.

3639999854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13284810.

The product of its digits is 56687040, while the sum is 65.

The square root of 3639999854 is about 60332.4113060302. The cubic root of 3639999854 is about 1538.2743156296.

The spelling of 3639999854 in words is "three billion, six hundred thirty-nine million, nine hundred ninety-nine thousand, eight hundred fifty-four".