42536535091 has 8 divisors (see below), whose sum is σ = 45043254144. Its totient is φ = 40030323840.

The previous prime is 42536535073. The next prime is 42536535101. The reversal of 42536535091 is 19053563524.

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

It is a cyclic number.

It is not a de Polignac number, because 42536535091 - 2¹⁷ = 42536404019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42536535191) 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, 52801 + ... + 296413.

It is an arithmetic number, because the mean of its divisors is an integer number (5630406768).

Almost surely, 2^42536535091 is an apocalyptic number.

42536535091 is a deficient number, since it is larger than the sum of its proper divisors (2506719053).

42536535091 is a wasteful number, since it uses less digits than its factorization.

42536535091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253901.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 42536535091 in words is "forty-two billion, five hundred thirty-six million, five hundred thirty-five thousand, ninety-one".