13437994284 has 576 divisors, whose sum is σ = 45121370112. Its totient is φ = 3462497280.

The previous prime is 13437994253. The next prime is 13437994309. The reversal of 13437994284 is 48249973431.

13437994284 is a `hidden beast` number, since 1 + 3 + 437 + 99 + 42 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 13437994284.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 285914749 + ... + 285914795.

It is an arithmetic number, because the mean of its divisors is an integer number (78335712).

Almost surely, 2^13437994284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13437994284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22560685056).

13437994284 is an abundant number, since it is smaller than the sum of its proper divisors (31683375828).

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

13437994284 is a wasteful number, since it uses less digits than its factorization.

13437994284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 93 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 13437994284 in words is "thirteen billion, four hundred thirty-seven million, nine hundred ninety-four thousand, two hundred eighty-four".