12579738913 has 8 divisors (see below), whose sum is σ = 14391044928. Its totient is φ = 10771983024.

The previous prime is 12579738911. The next prime is 12579738959. The reversal of 12579738913 is 31983797521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12579738913 - 2¹ = 12579738911 is a prime.

It is a super-2 number, since 2×12579738913² (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 (12579738911) 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 7 ways as a sum of consecutive naturals, for example, 879931 + ... + 894112.

It is an arithmetic number, because the mean of its divisors is an integer number (1798880616).

Almost surely, 2^12579738913 is an apocalyptic number.

It is an amenable number.

12579738913 is a deficient number, since it is larger than the sum of its proper divisors (1811306015).

12579738913 is a wasteful number, since it uses less digits than its factorization.

12579738913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775063.

The product of its digits is 2857680, while the sum is 55.

The spelling of 12579738913 in words is "twelve billion, five hundred seventy-nine million, seven hundred thirty-eight thousand, nine hundred thirteen".