12582923869 has 4 divisors (see below), whose sum is σ = 13245183040. Its totient is φ = 11920664700.

The previous prime is 12582923867. The next prime is 12582923887. The reversal of 12582923869 is 96832928521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12582923869 - 2¹ = 12582923867 is a prime.

It is a super-2 number, since 2×12582923869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12582923867) 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, 331129557 + ... + 331129594.

It is an arithmetic number, because the mean of its divisors is an integer number (3311295760).

Almost surely, 2^12582923869 is an apocalyptic number.

12582923869 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12582923869 is a deficient number, since it is larger than the sum of its proper divisors (662259171).

12582923869 is an equidigital number, since it uses as much as digits as its factorization.

12582923869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662259170.

The product of its digits is 3732480, while the sum is 55.

The spelling of 12582923869 in words is "twelve billion, five hundred eighty-two million, nine hundred twenty-three thousand, eight hundred sixty-nine".