13498253917 has 2 divisors, whose sum is σ = 13498253918. Its totient is φ = 13498253916.

The previous prime is 13498253903. The next prime is 13498253921. The reversal of 13498253917 is 71935289431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8129907556 + 5368346361 = 90166^2 + 73269^2 .

It is a cyclic number.

It is not a de Polignac number, because 13498253917 - 2¹⁹ = 13497729629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13498253947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6749126958 + 6749126959.

It is an arithmetic number, because the mean of its divisors is an integer number (6749126959).

Almost surely, 2^13498253917 is an apocalyptic number.

It is an amenable number.

13498253917 is a deficient number, since it is larger than the sum of its proper divisors (1).

13498253917 is an equidigital number, since it uses as much as digits as its factorization.

13498253917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The spelling of 13498253917 in words is "thirteen billion, four hundred ninety-eight million, two hundred fifty-three thousand, nine hundred seventeen".