12819474915 has 64 divisors (see below), whose sum is σ = 22960336896. Its totient is φ = 6066289152.

The previous prime is 12819474907. The next prime is 12819474923. The reversal of 12819474915 is 51947491821.

It is an interprime number because it is at equal distance from previous prime (12819474907) and next prime (12819474923).

It is not a de Polignac number, because 12819474915 - 2³ = 12819474907 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 588142 + ... + 609548.

It is an arithmetic number, because the mean of its divisors is an integer number (358755264).

Almost surely, 2^12819474915 is an apocalyptic number.

12819474915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12819474915 is a deficient number, since it is larger than the sum of its proper divisors (10140861981).

12819474915 is a wasteful number, since it uses less digits than its factorization.

12819474915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21548.

The product of its digits is 725760, while the sum is 51.

The spelling of 12819474915 in words is "twelve billion, eight hundred nineteen million, four hundred seventy-four thousand, nine hundred fifteen".