42306532091 has 4 divisors (see below), whose sum is σ = 42307010184. Its totient is φ = 42306054000.

The previous prime is 42306532069. The next prime is 42306532109. The reversal of 42306532091 is 19023560324.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42306532091 - 2²⁶ = 42239423227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42306535091) 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, 63185 + ... + 297666.

It is an arithmetic number, because the mean of its divisors is an integer number (10576752546).

Almost surely, 2^42306532091 is an apocalyptic number.

42306532091 is a deficient number, since it is larger than the sum of its proper divisors (478093).

42306532091 is a wasteful number, since it uses less digits than its factorization.

42306532091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478092.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 42306532091 in words is "forty-two billion, three hundred six million, five hundred thirty-two thousand, ninety-one".