2251473684804 has 48 divisors (see below), whose sum is σ = 5862206226240. Its totient is φ = 747270227520.

The previous prime is 2251473684769. The next prime is 2251473684827. The reversal of 2251473684804 is 4084863741522.

2251473684804 is a `hidden beast` number, since 2 + 25 + 14 + 73 + 68 + 480 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44710842 + ... + 44761169.

It is an arithmetic number, because the mean of its divisors is an integer number (122129296380).

Almost surely, 2^{2251473684804} is an apocalyptic number.

It is an amenable number.

2251473684804 is an abundant number, since it is smaller than the sum of its proper divisors (3610732541436).

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

2251473684804 is a wasteful number, since it uses less digits than its factorization.

2251473684804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89472257 (or 89472249 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 54.

The spelling of 2251473684804 in words is "two trillion, two hundred fifty-one billion, four hundred seventy-three million, six hundred eighty-four thousand, eight hundred four".