13005621059 has 4 divisors (see below), whose sum is σ = 13006071960. Its totient is φ = 13005170160.

The previous prime is 13005621043. The next prime is 13005621067. The reversal of 13005621059 is 95012650031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95012650031 = 13 ⋅7308665387.

It is a cyclic number.

It is not a de Polignac number, because 13005621059 - 2⁴ = 13005621043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13005621019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178994 + ... + 240935.

It is an arithmetic number, because the mean of its divisors is an integer number (3251517990).

Almost surely, 2^13005621059 is an apocalyptic number.

13005621059 is a deficient number, since it is larger than the sum of its proper divisors (450901).

13005621059 is an equidigital number, since it uses as much as digits as its factorization.

13005621059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450900.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 13005621059 in words is "thirteen billion, five million, six hundred twenty-one thousand, fifty-nine".