3715996446864 has 315 divisors, whose sum is σ = 11697429750267. Its totient is φ = 1142550759168.

The previous prime is 3715996446809. The next prime is 3715996446983. The reversal of 3715996446864 is 4686446995173.

The square root of 3715996446864 is 1927692.

It is a perfect power (a square), and thus also a powerful number.

3715996446864 is a `hidden beast` number, since 3 + 7 + 15 + 9 + 96 + 4 + 468 + 64 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 297343365264 + 3418653081600 = 545292^2 + 1848960^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 3715996446792 and 3715996446801.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 2706478882 + ... + 2706480254.

Almost surely, 2^{3715996446864} is an apocalyptic number.

3715996446864 is the 1927692-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3715996446864

3715996446864 is an abundant number, since it is smaller than the sum of its proper divisors (7981433303403).

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

3715996446864 is an frugal number, since it uses more digits than its factorization.

3715996446864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798 (or 1391 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 72.

The spelling of 3715996446864 in words is "three trillion, seven hundred fifteen billion, nine hundred ninety-six million, four hundred forty-six thousand, eight hundred sixty-four".