3250488073921 has 9 divisors (see below), whose sum is σ = 3572872326499. Its totient is φ = 2954971129000.

The previous prime is 3250488073919. The next prime is 3250488073933. The reversal of 3250488073921 is 1293708840523.

It is a happy number.

The square root of 3250488073921 is 1802911.

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., 1623995958321 + 1626492115600 = 1274361^2 + 1275340^2 .

It is not a de Polignac number, because 3250488073921 - 2¹ = 3250488073919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3250488073951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19750071 + ... + 19913971.

Almost surely, 2^{3250488073921} is an apocalyptic number.

3250488073921 is the 1802911-st square number.

3250488073921 is the 901456-th centered octagonal number.

It is an amenable number.

3250488073921 is a deficient number, since it is larger than the sum of its proper divisors (322384252578).

3250488073921 is an frugal number, since it uses more digits than its factorization.

3250488073921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327824 (or 163912 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 3250488073921 in words is "three trillion, two hundred fifty billion, four hundred eighty-eight million, seventy-three thousand, nine hundred twenty-one".