13549265413 has 2 divisors, whose sum is σ = 13549265414. Its totient is φ = 13549265412.

The previous prime is 13549265407. The next prime is 13549265441. The reversal of 13549265413 is 31456294531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12814692804 + 734572609 = 113202^2 + 27103^2 .

It is a cyclic number.

It is not a de Polignac number, because 13549265413 - 2⁵ = 13549265381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13549265413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13549265713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6774632706 + 6774632707.

It is an arithmetic number, because the mean of its divisors is an integer number (6774632707).

Almost surely, 2^13549265413 is an apocalyptic number.

It is an amenable number.

13549265413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13549265413 is an equidigital number, since it uses as much as digits as its factorization.

13549265413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The spelling of 13549265413 in words is "thirteen billion, five hundred forty-nine million, two hundred sixty-five thousand, four hundred thirteen".