12753862489 has 9 divisors (see below), whose sum is σ = 13182167349. Its totient is φ = 12339059580.

The previous prime is 12753862487. The next prime is 12753862547. The reversal of 12753862489 is 98426835721.

The square root of 12753862489 is 112933.

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

It is not a de Polignac number, because 12753862489 - 2¹ = 12753862487 is a prime.

It is a super-2 number, since 2×12753862489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12753862481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3499102 + ... + 3502744.

It is an arithmetic number, because the mean of its divisors is an integer number (1464685261).

Almost surely, 2^12753862489 is an apocalyptic number.

12753862489 is the 112933-rd square number.

12753862489 is the 56467-th centered octagonal number.

It is an amenable number.

12753862489 is a deficient number, since it is larger than the sum of its proper divisors (428304860).

12753862489 is an frugal number, since it uses more digits than its factorization.

12753862489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348 (or 3674 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The spelling of 12753862489 in words is "twelve billion, seven hundred fifty-three million, eight hundred sixty-two thousand, four hundred eighty-nine".