12669983951 has 2 divisors, whose sum is σ = 12669983952. Its totient is φ = 12669983950.

The previous prime is 12669983881. The next prime is 12669983957. The reversal of 12669983951 is 15938996621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12669983951 - 2¹⁸ = 12669721807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12669983957) by changing a digit.

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 as a sum of consecutive naturals, namely, 6334991975 + 6334991976.

It is an arithmetic number, because the mean of its divisors is an integer number (6334991976).

Almost surely, 2^12669983951 is an apocalyptic number.

12669983951 is a deficient number, since it is larger than the sum of its proper divisors (1).

12669983951 is an equidigital number, since it uses as much as digits as its factorization.

12669983951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 59.

The spelling of 12669983951 in words is "twelve billion, six hundred sixty-nine million, nine hundred eighty-three thousand, nine hundred fifty-one".