12633616277 has 2 divisors, whose sum is σ = 12633616278. Its totient is φ = 12633616276.

The previous prime is 12633616273. The next prime is 12633616297. The reversal of 12633616277 is 77261633621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11982805156 + 650811121 = 109466^2 + 25511^2 .

It is a cyclic number.

It is not a de Polignac number, because 12633616277 - 2² = 12633616273 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12633616273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6316808138 + 6316808139.

It is an arithmetic number, because the mean of its divisors is an integer number (6316808139).

Almost surely, 2^12633616277 is an apocalyptic number.

It is an amenable number.

12633616277 is a deficient number, since it is larger than the sum of its proper divisors (1).

12633616277 is an equidigital number, since it uses as much as digits as its factorization.

12633616277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 44.

The spelling of 12633616277 in words is "twelve billion, six hundred thirty-three million, six hundred sixteen thousand, two hundred seventy-seven".