12894958865 has 8 divisors (see below), whose sum is σ = 15973110528. Its totient is φ = 9983193840.

The previous prime is 12894958859. The next prime is 12894958871. The reversal of 12894958865 is 56885949821.

It is an interprime number because it is at equal distance from previous prime (12894958859) and next prime (12894958871).

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

It is not a de Polignac number, because 12894958865 - 2⁶ = 12894958801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41596487 + ... + 41596796.

It is an arithmetic number, because the mean of its divisors is an integer number (1996638816).

Almost surely, 2^12894958865 is an apocalyptic number.

It is an amenable number.

12894958865 is a deficient number, since it is larger than the sum of its proper divisors (3078151663).

12894958865 is an equidigital number, since it uses as much as digits as its factorization.

12894958865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83193319.

The product of its digits is 49766400, while the sum is 65.

The spelling of 12894958865 in words is "twelve billion, eight hundred ninety-four million, nine hundred fifty-eight thousand, eight hundred sixty-five".