25389223267984 has 45 divisors (see below), whose sum is σ = 49289949949539. Its totient is φ = 12669286765920.

The previous prime is 25389223267963. The next prime is 25389223268021. The reversal of 25389223267984 is 48976232298352.

The square root of 25389223267984 is 5038772.

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

It is a super-2 number, since 2×25389223267984² (a number of 28 digits) contains 22 as substring.

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, 13927164897 + ... + 13927166719.

Almost surely, 2^{25389223267984} is an apocalyptic number.

25389223267984 is the 5038772-nd square number.

It is an amenable number.

25389223267984 is a deficient number, since it is larger than the sum of its proper divisors (23900726681555).

25389223267984 is an frugal number, since it uses more digits than its factorization.

25389223267984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5036 (or 2516 counting only the distinct ones).

The product of its digits is 627056640, while the sum is 70.

The spelling of 25389223267984 in words is "twenty-five trillion, three hundred eighty-nine billion, two hundred twenty-three million, two hundred sixty-seven thousand, nine hundred eighty-four".