12309891364 has 36 divisors (see below), whose sum is σ = 22554923440. Its totient is φ = 5878121040.

The previous prime is 12309891359. The next prime is 12309891371. The reversal of 12309891364 is 46319890321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1457947 + ... + 1466365.

Almost surely, 2^12309891364 is an apocalyptic number.

It is an amenable number.

12309891364 is a deficient number, since it is larger than the sum of its proper divisors (10245032076).

12309891364 is a wasteful number, since it uses less digits than its factorization.

12309891364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160 (or 9135 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 12309891364 in words is "twelve billion, three hundred nine million, eight hundred ninety-one thousand, three hundred sixty-four".