42133833387 has 12 divisors (see below), whose sum is σ = 60863533224. Its totient is φ = 28087583040.

The previous prime is 42133833349. The next prime is 42133833407. The reversal of 42133833387 is 78333833124.

It is not a de Polignac number, because 42133833387 - 2⁶ = 42133833323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42133833187) 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, 37923 + ... + 292755.

It is an arithmetic number, because the mean of its divisors is an integer number (5071961102).

Almost surely, 2^42133833387 is an apocalyptic number.

42133833387 is a deficient number, since it is larger than the sum of its proper divisors (18729699837).

42133833387 is a wasteful number, since it uses less digits than its factorization.

42133833387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273210 (or 273207 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The spelling of 42133833387 in words is "forty-two billion, one hundred thirty-three million, eight hundred thirty-three thousand, three hundred eighty-seven".