13000235389 has 4 divisors (see below), whose sum is σ = 13121733024. Its totient is φ = 12878737756.

The previous prime is 13000235383. The next prime is 13000235401. The reversal of 13000235389 is 98353200031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13000235389 - 2⁵ = 13000235357 is a prime.

It is a super-2 number, since 2×13000235389² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000235383) 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, 60748657 + ... + 60748870.

It is an arithmetic number, because the mean of its divisors is an integer number (3280433256).

Almost surely, 2^13000235389 is an apocalyptic number.

It is an amenable number.

13000235389 is a deficient number, since it is larger than the sum of its proper divisors (121497635).

13000235389 is a wasteful number, since it uses less digits than its factorization.

13000235389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121497634.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 13000235389 in words is "thirteen billion, two hundred thirty-five thousand, three hundred eighty-nine".