12919948699 has 4 divisors (see below), whose sum is σ = 14765655664. Its totient is φ = 11074241736.

The previous prime is 12919948607. The next prime is 12919948703. The reversal of 12919948699 is 99684991921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12919948699 - 2¹³ = 12919940507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12919948499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922853472 + ... + 922853485.

It is an arithmetic number, because the mean of its divisors is an integer number (3691413916).

Almost surely, 2^12919948699 is an apocalyptic number.

12919948699 is a deficient number, since it is larger than the sum of its proper divisors (1845706965).

12919948699 is an equidigital number, since it uses as much as digits as its factorization.

12919948699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845706964.

The product of its digits is 22674816, while the sum is 67.

The spelling of 12919948699 in words is "twelve billion, nine hundred nineteen million, nine hundred forty-eight thousand, six hundred ninety-nine".