13428509884 has 12 divisors (see below), whose sum is σ = 23508755424. Its totient is φ = 6711722624.

The previous prime is 13428509873. The next prime is 13428509893. The reversal of 13428509884 is 48890582431.

It is a congruent number.

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, 621124 + ... + 642379.

It is an arithmetic number, because the mean of its divisors is an integer number (1959062952).

Almost surely, 2^13428509884 is an apocalyptic number.

It is an amenable number.

13428509884 is a deficient number, since it is larger than the sum of its proper divisors (10080245540).

13428509884 is a wasteful number, since it uses less digits than its factorization.

13428509884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266164 (or 1266162 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 13428509884 in words is "thirteen billion, four hundred twenty-eight million, five hundred nine thousand, eight hundred eighty-four".