13581928391 has 2 divisors, whose sum is σ = 13581928392. Its totient is φ = 13581928390.

The previous prime is 13581928369. The next prime is 13581928417. The reversal of 13581928391 is 19382918531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13581928391 - 2¹⁴ = 13581912007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13581928361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6790964195 + 6790964196.

It is an arithmetic number, because the mean of its divisors is an integer number (6790964196).

Almost surely, 2^13581928391 is an apocalyptic number.

13581928391 is a deficient number, since it is larger than the sum of its proper divisors (1).

13581928391 is an equidigital number, since it uses as much as digits as its factorization.

13581928391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 50.

The spelling of 13581928391 in words is "thirteen billion, five hundred eighty-one million, nine hundred twenty-eight thousand, three hundred ninety-one".