13003299977 has 2 divisors, whose sum is σ = 13003299978. Its totient is φ = 13003299976.

The previous prime is 13003299931. The next prime is 13003299997. The reversal of 13003299977 is 77999230031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10522861561 + 2480438416 = 102581^2 + 49804^2 .

It is an emirp because it is prime and its reverse (77999230031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13003299977 - 2⁶ = 13003299913 is a prime.

It is not a weakly prime, because it can be changed into another prime (13003299997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501649988 + 6501649989.

It is an arithmetic number, because the mean of its divisors is an integer number (6501649989).

Almost surely, 2^13003299977 is an apocalyptic number.

It is an amenable number.

13003299977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13003299977 is an equidigital number, since it uses as much as digits as its factorization.

13003299977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 642978, while the sum is 50.

The spelling of 13003299977 in words is "thirteen billion, three million, two hundred ninety-nine thousand, nine hundred seventy-seven".