12445893499 has 16 divisors (see below), whose sum is σ = 13520752672. Its totient is φ = 11388169728.

The previous prime is 12445893461. The next prime is 12445893503. The reversal of 12445893499 is 99439854421.

It is a de Polignac number, because none of the positive numbers 2^k-12445893499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12445893799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876712 + ... + 890794.

It is an arithmetic number, because the mean of its divisors is an integer number (845047042).

Almost surely, 2^12445893499 is an apocalyptic number.

12445893499 is a deficient number, since it is larger than the sum of its proper divisors (1074859173).

12445893499 is a wasteful number, since it uses less digits than its factorization.

12445893499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14686.

The product of its digits is 11197440, while the sum is 58.

The spelling of 12445893499 in words is "twelve billion, four hundred forty-five million, eight hundred ninety-three thousand, four hundred ninety-nine".