2631613612 has 6 divisors (see below), whose sum is σ = 4605323828. Its totient is φ = 1315806804.

The previous prime is 2631613597. The next prime is 2631613637. The reversal of 2631613612 is 2163161362.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328951698 + ... + 328951705.

Almost surely, 2^2631613612 is an apocalyptic number.

It is an amenable number.

2631613612 is a deficient number, since it is larger than the sum of its proper divisors (1973710216).

2631613612 is a wasteful number, since it uses less digits than its factorization.

2631613612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657903407 (or 657903405 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 2631613612 is about 51299.2554721801. The cubic root of 2631613612 is about 1380.6196216285.

Adding to 2631613612 its reverse (2163161362), we get a palindrome (4794774974).

The spelling of 2631613612 in words is "two billion, six hundred thirty-one million, six hundred thirteen thousand, six hundred twelve".