12757983913 has 2 divisors, whose sum is σ = 12757983914. Its totient is φ = 12757983912.

The previous prime is 12757983841. The next prime is 12757983947. The reversal of 12757983913 is 31938975721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11474051689 + 1283932224 = 107117^2 + 35832^2 .

It is a cyclic number.

It is not a de Polignac number, because 12757983913 - 2¹³ = 12757975721 is a prime.

It is not a weakly prime, because it can be changed into another prime (12757983313) 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, 6378991956 + 6378991957.

It is an arithmetic number, because the mean of its divisors is an integer number (6378991957).

Almost surely, 2^12757983913 is an apocalyptic number.

It is an amenable number.

12757983913 is a deficient number, since it is larger than the sum of its proper divisors (1).

12757983913 is an equidigital number, since it uses as much as digits as its factorization.

12757983913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 55.

The spelling of 12757983913 in words is "twelve billion, seven hundred fifty-seven million, nine hundred eighty-three thousand, nine hundred thirteen".