39993874233 has 4 divisors (see below), whose sum is σ = 53325165648. Its totient is φ = 26662582820.

The previous prime is 39993874201. The next prime is 39993874241. The reversal of 39993874233 is 33247839993.

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 39993874233 - 2⁵ = 39993874201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39993804233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6665645703 + ... + 6665645708.

It is an arithmetic number, because the mean of its divisors is an integer number (13331291412).

Almost surely, 2^39993874233 is an apocalyptic number.

It is an amenable number.

39993874233 is a deficient number, since it is larger than the sum of its proper divisors (13331291415).

39993874233 is a wasteful number, since it uses less digits than its factorization.

39993874233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13331291414.

The product of its digits is 26453952, while the sum is 60.

The spelling of 39993874233 in words is "thirty-nine billion, nine hundred ninety-three million, eight hundred seventy-four thousand, two hundred thirty-three".