845033432013 has 16 divisors (see below), whose sum is σ = 1251917723200. Its totient is φ = 563348267280.

The previous prime is 845033431999. The next prime is 845033432041. The reversal of 845033432013 is 310234330548.

845033432013 is a `hidden beast` number, since 84 + 503 + 3 + 43 + 20 + 13 = 666.

It is not a de Polignac number, because 845033432013 - 2³⁷ = 707594478541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845033432413) 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, 2604543 + ... + 2910963.

It is an arithmetic number, because the mean of its divisors is an integer number (78244857700).

Almost surely, 2^845033432013 is an apocalyptic number.

It is an amenable number.

845033432013 is a deficient number, since it is larger than the sum of its proper divisors (406884291187).

845033432013 is a wasteful number, since it uses less digits than its factorization.

845033432013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408569 (or 408563 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 845033432013 its sum of digits (36), we get a square (845033432049 = 919257²).

The spelling of 845033432013 in words is "eight hundred forty-five billion, thirty-three million, four hundred thirty-two thousand, thirteen".