3680506631 has 4 divisors (see below), whose sum is σ = 3682333392. Its totient is φ = 3678679872.

The previous prime is 3680506603. The next prime is 3680506633. The reversal of 3680506631 is 1366050863.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1366050863 = 71 ⋅19240153.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3680506631 is a prime.

It is a super-2 number, since 2×3680506631² = 27092258121669940322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3680506633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910355 + ... + 914388.

It is an arithmetic number, because the mean of its divisors is an integer number (920583348).

Almost surely, 2^3680506631 is an apocalyptic number.

3680506631 is a deficient number, since it is larger than the sum of its proper divisors (1826761).

3680506631 is a wasteful number, since it uses less digits than its factorization.

3680506631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826760.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 3680506631 is about 60667.1791910585. The cubic root of 3680506631 is about 1543.9593724209.

The spelling of 3680506631 in words is "three billion, six hundred eighty million, five hundred six thousand, six hundred thirty-one".