1324391275684 has 27 divisors (see below), whose sum is σ = 2339586157377. Its totient is φ = 655996159728.

The previous prime is 1324391275681. The next prime is 1324391275783. The reversal of 1324391275684 is 4865721934231.

The square root of 1324391275684 is 1150822.

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., 923094365284 + 401296910400 = 960778^2 + 633480^2 .

It is a super-2 number, since 2×1324391275684² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324391275681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 250876557 + ... + 250881835.

Almost surely, 2^{1324391275684} is an apocalyptic number.

1324391275684 is the 1150822-nd square number.

It is an amenable number.

1324391275684 is a deficient number, since it is larger than the sum of its proper divisors (1015194881693).

1324391275684 is an frugal number, since it uses more digits than its factorization.

1324391275684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10780 (or 5390 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 1324391275684 in words is "one trillion, three hundred twenty-four billion, three hundred ninety-one million, two hundred seventy-five thousand, six hundred eighty-four".