42091072371 has 12 divisors (see below), whose sum is σ = 60931259272. Its totient is φ = 27999310176.

The previous prime is 42091072367. The next prime is 42091072379. The reversal of 42091072371 is 17327019024.

42091072371 is a `hidden beast` number, since 4 + 209 + 10 + 72 + 371 = 666.

It is not a de Polignac number, because 42091072371 - 2² = 42091072367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42091072379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5112721 + ... + 5120946.

Almost surely, 2^42091072371 is an apocalyptic number.

42091072371 is a deficient number, since it is larger than the sum of its proper divisors (18840186901).

42091072371 is a wasteful number, since it uses less digits than its factorization.

42091072371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234130 (or 10234127 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 42091072371 in words is "forty-two billion, ninety-one million, seventy-two thousand, three hundred seventy-one".