13154668913 has 2 divisors, whose sum is σ = 13154668914. Its totient is φ = 13154668912.

The previous prime is 13154668909. The next prime is 13154668939. The reversal of 13154668913 is 31986645131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9892888369 + 3261780544 = 99463^2 + 57112^2 .

It is a cyclic number.

It is not a de Polignac number, because 13154668913 - 2² = 13154668909 is a prime.

It is not a weakly prime, because it can be changed into another prime (13154668213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577334456 + 6577334457.

It is an arithmetic number, because the mean of its divisors is an integer number (6577334457).

Almost surely, 2^13154668913 is an apocalyptic number.

It is an amenable number.

13154668913 is a deficient number, since it is larger than the sum of its proper divisors (1).

13154668913 is an equidigital number, since it uses as much as digits as its factorization.

13154668913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The spelling of 13154668913 in words is "thirteen billion, one hundred fifty-four million, six hundred sixty-eight thousand, nine hundred thirteen".