18086129213 has 16 divisors (see below), whose sum is σ = 19056923136. Its totient is φ = 17140768320.

The previous prime is 18086129177. The next prime is 18086129273. The reversal of 18086129213 is 31292168081.

It is a cyclic number.

It is not a de Polignac number, because 18086129213 - 2¹² = 18086125117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18086129273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 905270 + ... + 925032.

It is an arithmetic number, because the mean of its divisors is an integer number (1191057696).

Almost surely, 2^18086129213 is an apocalyptic number.

It is an amenable number.

18086129213 is a deficient number, since it is larger than the sum of its proper divisors (970793923).

18086129213 is a wasteful number, since it uses less digits than its factorization.

18086129213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20404.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 18086129213 in words is "eighteen billion, eighty-six million, one hundred twenty-nine thousand, two hundred thirteen".