13840291233 has 12 divisors (see below), whose sum is σ = 20731959248. Its totient is φ = 9226860660.

The previous prime is 13840291169. The next prime is 13840291247. The reversal of 13840291233 is 33219204831.

13840291233 is a `hidden beast` number, since 13 + 8 + 402 + 9 + 1 + 233 = 666.

It is not a de Polignac number, because 13840291233 - 2⁶ = 13840291169 is a prime.

It is a super-2 number, since 2×13840291233² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13840291253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28477723 + ... + 28478208.

Almost surely, 2^13840291233 is an apocalyptic number.

It is an amenable number.

13840291233 is a deficient number, since it is larger than the sum of its proper divisors (6891668015).

13840291233 is an frugal number, since it uses more digits than its factorization.

13840291233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56955946 (or 56955934 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 13840291233 in words is "thirteen billion, eight hundred forty million, two hundred ninety-one thousand, two hundred thirty-three".