3721843507264 has 63 divisors (see below), whose sum is σ = 7423922014077. Its totient is φ = 1851298864128.

The previous prime is 3721843507241. The next prime is 3721843507279. The reversal of 3721843507264 is 4627053481273.

The square root of 3721843507264 is 1929208.

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., 1142350540864 + 2579492966400 = 1068808^2 + 1606080^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3688645192 + ... + 3688646200.

Almost surely, 2^{3721843507264} is an apocalyptic number.

3721843507264 is the 1929208-th square number.

It is an amenable number.

3721843507264 is a deficient number, since it is larger than the sum of its proper divisors (3702078506813).

3721843507264 is an frugal number, since it uses more digits than its factorization.

3721843507264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 1250 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 3721843507264 in words is "three trillion, seven hundred twenty-one billion, eight hundred forty-three million, five hundred seven thousand, two hundred sixty-four".