12954633699 has 16 divisors (see below), whose sum is σ = 19753155072. Its totient is φ = 7397862528.

The previous prime is 12954633691. The next prime is 12954633707. The reversal of 12954633699 is 99633645921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12954633691) and next prime (12954633707).

It is not a de Polignac number, because 12954633699 - 2³ = 12954633691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12954633691) 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, 165999 + ... + 231224.

It is an arithmetic number, because the mean of its divisors is an integer number (1234572192).

Almost surely, 2^12954633699 is an apocalyptic number.

12954633699 is a deficient number, since it is larger than the sum of its proper divisors (6798521373).

12954633699 is a wasteful number, since it uses less digits than its factorization.

12954633699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398786.

The product of its digits is 9447840, while the sum is 57.

The spelling of 12954633699 in words is "twelve billion, nine hundred fifty-four million, six hundred thirty-three thousand, six hundred ninety-nine".