13089419281 has 9 divisors (see below), whose sum is σ = 13180312873. Its totient is φ = 12999150580.

The previous prime is 13089419279. The next prime is 13089419309. The reversal of 13089419281 is 18291498031.

The square root of 13089419281 is 114409.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 13089419281 - 2¹ = 13089419279 is a prime.

It is a super-2 number, since 2×13089419281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13089419201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21851820 + ... + 21852418.

Almost surely, 2^13089419281 is an apocalyptic number.

13089419281 is the 114409-th square number.

13089419281 is the 57205-th centered octagonal number.

It is an amenable number.

13089419281 is a deficient number, since it is larger than the sum of its proper divisors (90893592).

13089419281 is an frugal number, since it uses more digits than its factorization.

13089419281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 13089419281 in words is "thirteen billion, eighty-nine million, four hundred nineteen thousand, two hundred eighty-one".