13022129977 has 2 divisors, whose sum is σ = 13022129978. Its totient is φ = 13022129976.

The previous prime is 13022129969. The next prime is 13022130049. The reversal of 13022129977 is 77992122031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11471266816 + 1550863161 = 107104^2 + 39381^2 .

It is a cyclic number.

It is not a de Polignac number, because 13022129977 - 2³ = 13022129969 is a prime.

It is not a weakly prime, because it can be changed into another prime (13022129957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6511064988 + 6511064989.

It is an arithmetic number, because the mean of its divisors is an integer number (6511064989).

Almost surely, 2^13022129977 is an apocalyptic number.

It is an amenable number.

13022129977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13022129977 is an equidigital number, since it uses as much as digits as its factorization.

13022129977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 13022129977 in words is "thirteen billion, twenty-two million, one hundred twenty-nine thousand, nine hundred seventy-seven".