8139474370244 has 96 divisors (see below), whose sum is σ = 16886279208960. Its totient is φ = 3361222109952.

The previous prime is 8139474370169. The next prime is 8139474370337. The reversal of 8139474370244 is 4420734749318.

It is a self number, because there is not a number n which added to its sum of digits gives 8139474370244.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17180024 + ... + 17647440.

It is an arithmetic number, because the mean of its divisors is an integer number (175898741760).

Almost surely, 2^{8139474370244} is an apocalyptic number.

It is an amenable number.

8139474370244 is an abundant number, since it is smaller than the sum of its proper divisors (8746804838716).

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

8139474370244 is a wasteful number, since it uses less digits than its factorization.

8139474370244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467697 (or 467695 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 56.

The spelling of 8139474370244 in words is "eight trillion, one hundred thirty-nine billion, four hundred seventy-four million, three hundred seventy thousand, two hundred forty-four".