42697672427 has 8 divisors (see below), whose sum is σ = 43117900800. Its totient is φ = 42277553640.

The previous prime is 42697672421. The next prime is 42697672529. The reversal of 42697672427 is 72427679624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42697672427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42697672421) 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, 913574 + ... + 959172.

It is an arithmetic number, because the mean of its divisors is an integer number (5389737600).

Almost surely, 2^42697672427 is an apocalyptic number.

42697672427 is a deficient number, since it is larger than the sum of its proper divisors (420228373).

42697672427 is a wasteful number, since it uses less digits than its factorization.

42697672427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54793.

The product of its digits is 14224896, while the sum is 56.

The spelling of 42697672427 in words is "forty-two billion, six hundred ninety-seven million, six hundred seventy-two thousand, four hundred twenty-seven".