12776944603 has 2 divisors, whose sum is σ = 12776944604. Its totient is φ = 12776944602.

The previous prime is 12776944589. The next prime is 12776944619. The reversal of 12776944603 is 30644967721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12776944603 is a prime.

It is not a weakly prime, because it can be changed into another prime (12776914603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6388472301 + 6388472302.

It is an arithmetic number, because the mean of its divisors is an integer number (6388472302).

Almost surely, 2^12776944603 is an apocalyptic number.

12776944603 is a deficient number, since it is larger than the sum of its proper divisors (1).

12776944603 is an equidigital number, since it uses as much as digits as its factorization.

12776944603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 12776944603 in words is "twelve billion, seven hundred seventy-six million, nine hundred forty-four thousand, six hundred three".