3687398613 has 16 divisors (see below), whose sum is σ = 5463749760. Its totient is φ = 2457844128.

The previous prime is 3687398599. The next prime is 3687398621. The reversal of 3687398613 is 3168937863.

3687398613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3687398613 - 2⁹ = 3687398101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3687398613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687398683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289056 + ... + 301542.

It is an arithmetic number, because the mean of its divisors is an integer number (341484360).

Almost surely, 2^3687398613 is an apocalyptic number.

It is an amenable number.

3687398613 is a deficient number, since it is larger than the sum of its proper divisors (1776351147).

3687398613 is a wasteful number, since it uses less digits than its factorization.

3687398613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23433 (or 23427 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 3687398613 is about 60723.9541943704. The cubic root of 3687398613 is about 1544.9224921057.

The spelling of 3687398613 in words is "three billion, six hundred eighty-seven million, three hundred ninety-eight thousand, six hundred thirteen".