52438351893489 has 27 divisors (see below), whose sum is σ = 75859278006603. Its totient is φ = 34905908455632.

The previous prime is 52438351893463. The next prime is 52438351893493. The reversal of 52438351893489 is 98439815383425.

The square root of 52438351893489 is 7241433.

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

52438351893489 is a `hidden beast` number, since 5 + 2 + 4 + 3 + 8 + 3 + 51 + 8 + 93 + 489 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38769862637025 + 13668489256464 = 6226545^2 + 3697092^2 .

It is not a de Polignac number, because 52438351893489 - 2²³ = 52438343504881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52438351893289) 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, 18748068639 + ... + 18748071435.

Almost surely, 2^{52438351893489} is an apocalyptic number.

52438351893489 is the 7241433-rd square number.

52438351893489 is the 3620717-th centered octagonal number.

It is an amenable number.

52438351893489 is a deficient number, since it is larger than the sum of its proper divisors (23420926113114).

52438351893489 is an frugal number, since it uses more digits than its factorization.

52438351893489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326 (or 3663 counting only the distinct ones).

The product of its digits is 895795200, while the sum is 72.

The spelling of 52438351893489 in words is "fifty-two trillion, four hundred thirty-eight billion, three hundred fifty-one million, eight hundred ninety-three thousand, four hundred eighty-nine".