42237296639 has 4 divisors (see below), whose sum is σ = 42929711400. Its totient is φ = 41544881880.

The previous prime is 42237296627. The next prime is 42237296681. The reversal of 42237296639 is 93669273224.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42237296639 - 2⁸ = 42237296383 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 (42237296839) 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, 346207289 + ... + 346207410.

It is an arithmetic number, because the mean of its divisors is an integer number (10732427850).

Almost surely, 2^42237296639 is an apocalyptic number.

42237296639 is a deficient number, since it is larger than the sum of its proper divisors (692414761).

42237296639 is an equidigital number, since it uses as much as digits as its factorization.

42237296639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692414760.

The product of its digits is 5878656, while the sum is 53.

The spelling of 42237296639 in words is "forty-two billion, two hundred thirty-seven million, two hundred ninety-six thousand, six hundred thirty-nine".