3726845694016 has 21 divisors (see below), whose sum is σ = 7395490070941. Its totient is φ = 1863415124992.

The previous prime is 3726845693959. The next prime is 3726845694067. The reversal of 3726845694016 is 6104965486273.

The square root of 3726845694016 is 1930504.

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

It can be written as a sum of positive squares in only one way, i.e., 1143445262400 + 2583400431616 = 1069320^2 + 1607296^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15323376 + ... + 15564688.

It is a 2-persistent number, because it is pandigital, and so is 2⋅3726845694016 = 7453691388032, but 3⋅3726845694016 = 11180537082048 is not.

Almost surely, 2^{3726845694016} is an apocalyptic number.

3726845694016 is the 1930504-th square number.

It is an amenable number.

3726845694016 is a deficient number, since it is larger than the sum of its proper divisors (3668644376925).

3726845694016 is an frugal number, since it uses more digits than its factorization.

3726845694016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482638 (or 241315 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 3726845694016 in words is "three trillion, seven hundred twenty-six billion, eight hundred forty-five million, six hundred ninety-four thousand, sixteen".