13628619528 has 32 divisors (see below), whose sum is σ = 35170632960. Its totient is φ = 4396328640.

The previous prime is 13628619493. The next prime is 13628619541. The reversal of 13628619528 is 82591682631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9158275 + ... + 9159762.

It is an arithmetic number, because the mean of its divisors is an integer number (1099082280).

Almost surely, 2^13628619528 is an apocalyptic number.

It is an amenable number.

13628619528 is an abundant number, since it is smaller than the sum of its proper divisors (21542013432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13628619528 is a wasteful number, since it uses less digits than its factorization.

13628619528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18318077 (or 18318073 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The spelling of 13628619528 in words is "thirteen billion, six hundred twenty-eight million, six hundred nineteen thousand, five hundred twenty-eight".