12731095389 has 8 divisors (see below), whose sum is σ = 16975521472. Its totient is φ = 8487033120.

The previous prime is 12731095367. The next prime is 12731095411. The reversal of 12731095389 is 98359013721.

It is an interprime number because it is at equal distance from previous prime (12731095367) and next prime (12731095411).

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

It is not a de Polignac number, because 12731095389 - 2⁷ = 12731095261 is a prime.

It is a super-2 number, since 2×12731095389² (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 (12731095339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5232 + ... + 159654.

It is an arithmetic number, because the mean of its divisors is an integer number (2121940184).

Almost surely, 2^12731095389 is an apocalyptic number.

It is an amenable number.

12731095389 is a deficient number, since it is larger than the sum of its proper divisors (4244426083).

12731095389 is a wasteful number, since it uses less digits than its factorization.

12731095389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181907.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 12731095389 in words is "twelve billion, seven hundred thirty-one million, ninety-five thousand, three hundred eighty-nine".