14521636428 has 24 divisors (see below), whose sum is σ = 36490266288. Its totient is φ = 4468195776.

The previous prime is 14521636427. The next prime is 14521636433. The reversal of 14521636428 is 82463612541.

It is a self number, because there is not a number n which added to its sum of digits gives 14521636428.

It is not an unprimeable number, because it can be changed into a prime (14521636421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46543551 + ... + 46543862.

It is an arithmetic number, because the mean of its divisors is an integer number (1520427762).

Almost surely, 2^14521636428 is an apocalyptic number.

It is an amenable number.

14521636428 is an abundant number, since it is smaller than the sum of its proper divisors (21968629860).

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

14521636428 is a wasteful number, since it uses less digits than its factorization.

14521636428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93087433 (or 93087431 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The spelling of 14521636428 in words is "fourteen billion, five hundred twenty-one million, six hundred thirty-six thousand, four hundred twenty-eight".