3246883251921 has 27 divisors (see below), whose sum is σ = 4750685151849. Its totient is φ = 2136907877832.

The previous prime is 3246883251919. The next prime is 3246883251967. The reversal of 3246883251921 is 1291523886423.

The square root of 3246883251921 is 1801911.

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

3246883251921 is a `hidden beast` number, since 3 + 2 + 46 + 8 + 83 + 2 + 519 + 2 + 1 = 666.

It is not a de Polignac number, because 3246883251921 - 2¹ = 3246883251919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3246883251421) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 427049106 + ... + 427056708.

Almost surely, 2^{3246883251921} is an apocalyptic number.

3246883251921 is the 1801911-st square number.

3246883251921 is the 900956-th centered octagonal number.

It is an amenable number.

3246883251921 is a deficient number, since it is larger than the sum of its proper divisors (1503801899928).

3246883251921 is an frugal number, since it uses more digits than its factorization.

3246883251921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15370 (or 7685 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 3246883251921 in words is "three trillion, two hundred forty-six billion, eight hundred eighty-three million, two hundred fifty-one thousand, nine hundred twenty-one".