42232277691 has 8 divisors (see below), whose sum is σ = 62566337360. Its totient is φ = 28154851776.

The previous prime is 42232277687. The next prime is 42232277713. The reversal of 42232277691 is 19677223224.

It is not a de Polignac number, because 42232277691 - 2² = 42232277687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42232277611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782079190 + ... + 782079243.

It is an arithmetic number, because the mean of its divisors is an integer number (7820792170).

Almost surely, 2^42232277691 is an apocalyptic number.

42232277691 is a deficient number, since it is larger than the sum of its proper divisors (20334059669).

42232277691 is a wasteful number, since it uses less digits than its factorization.

42232277691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564158442 (or 1564158436 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The spelling of 42232277691 in words is "forty-two billion, two hundred thirty-two million, two hundred seventy-seven thousand, six hundred ninety-one".