42537232733 has 4 divisors (see below), whose sum is σ = 42538267200. Its totient is φ = 42536198268.

The previous prime is 42537232729. The next prime is 42537232763. The reversal of 42537232733 is 33723273524.

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 42537232733 - 2² = 42537232729 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42537232763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452885 + ... + 538682.

It is an arithmetic number, because the mean of its divisors is an integer number (10634566800).

Almost surely, 2^42537232733 is an apocalyptic number.

It is an amenable number.

42537232733 is a deficient number, since it is larger than the sum of its proper divisors (1034467).

42537232733 is an equidigital number, since it uses as much as digits as its factorization.

42537232733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034466.

The product of its digits is 635040, while the sum is 41.

The spelling of 42537232733 in words is "forty-two billion, five hundred thirty-seven million, two hundred thirty-two thousand, seven hundred thirty-three".