42007011437 has 4 divisors (see below), whose sum is σ = 42224664540. Its totient is φ = 41789358336.

The previous prime is 42007011383. The next prime is 42007011463. The reversal of 42007011437 is 73411070024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16274360041 + 25732651396 = 127571^2 + 160414^2 .

It is a cyclic number.

It is not a de Polignac number, because 42007011437 - 2³² = 37712044141 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 (42007011637) 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, 108826262 + ... + 108826647.

It is an arithmetic number, because the mean of its divisors is an integer number (10556166135).

Almost surely, 2^42007011437 is an apocalyptic number.

It is an amenable number.

42007011437 is a deficient number, since it is larger than the sum of its proper divisors (217653103).

42007011437 is a wasteful number, since it uses less digits than its factorization.

42007011437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217653102.

The product of its (nonzero) digits is 4704, while the sum is 29.

The spelling of 42007011437 in words is "forty-two billion, seven million, eleven thousand, four hundred thirty-seven".