13249960877 has 2 divisors, whose sum is σ = 13249960878. Its totient is φ = 13249960876.

The previous prime is 13249960873. The next prime is 13249960903. The reversal of 13249960877 is 77806994231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12435372196 + 814588681 = 111514^2 + 28541^2 .

It is an emirp because it is prime and its reverse (77806994231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13249960877 - 2² = 13249960873 is a prime.

It is a super-2 number, since 2×13249960877² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13249960873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6624980438 + 6624980439.

It is an arithmetic number, because the mean of its divisors is an integer number (6624980439).

Almost surely, 2^13249960877 is an apocalyptic number.

It is an amenable number.

13249960877 is a deficient number, since it is larger than the sum of its proper divisors (1).

13249960877 is an equidigital number, since it uses as much as digits as its factorization.

13249960877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 13249960877 in words is "thirteen billion, two hundred forty-nine million, nine hundred sixty thousand, eight hundred seventy-seven".