12650777939 has 2 divisors, whose sum is σ = 12650777940. Its totient is φ = 12650777938.

The previous prime is 12650777933. The next prime is 12650778011. The reversal of 12650777939 is 93977705621.

12650777939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12650777939 - 2³² = 8355810643 is a prime.

It is a super-3 number, since 3×12650777939³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12650777933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325388969 + 6325388970.

It is an arithmetic number, because the mean of its divisors is an integer number (6325388970).

Almost surely, 2^12650777939 is an apocalyptic number.

12650777939 is a deficient number, since it is larger than the sum of its proper divisors (1).

12650777939 is an equidigital number, since it uses as much as digits as its factorization.

12650777939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000940, while the sum is 56.

The spelling of 12650777939 in words is "twelve billion, six hundred fifty million, seven hundred seventy-seven thousand, nine hundred thirty-nine".