13628610916 has 12 divisors (see below), whose sum is σ = 23905153132. Its totient is φ = 6798567168.

The previous prime is 13628610899. The next prime is 13628610937. The reversal of 13628610916 is 61901682631.

It can be written as a sum of positive squares in 2 ways, for example, as 6045684516 + 7582926400 = 77754^2 + 87080^2 .

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, 3932625 + ... + 3936088.

Almost surely, 2^13628610916 is an apocalyptic number.

It is an amenable number.

13628610916 is a deficient number, since it is larger than the sum of its proper divisors (10276542216).

13628610916 is a wasteful number, since it uses less digits than its factorization.

13628610916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869150 (or 7869148 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 13628610916 in words is "thirteen billion, six hundred twenty-eight million, six hundred ten thousand, nine hundred sixteen".