12869757539 has 4 divisors (see below), whose sum is σ = 13284911040. Its totient is φ = 12454604040.

The previous prime is 12869757529. The next prime is 12869757553. The reversal of 12869757539 is 93575796821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12869757539 - 2³² = 8574790243 is a prime.

It is a super-2 number, since 2×12869757539² (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 (12869757529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207576704 + ... + 207576765.

It is an arithmetic number, because the mean of its divisors is an integer number (3321227760).

Almost surely, 2^12869757539 is an apocalyptic number.

12869757539 is a deficient number, since it is larger than the sum of its proper divisors (415153501).

12869757539 is an equidigital number, since it uses as much as digits as its factorization.

12869757539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415153500.

The product of its digits is 28576800, while the sum is 62.

The spelling of 12869757539 in words is "twelve billion, eight hundred sixty-nine million, seven hundred fifty-seven thousand, five hundred thirty-nine".