42350565091 has 32 divisors (see below), whose sum is σ = 46695628800. Its totient is φ = 38352330720.

The previous prime is 42350565067. The next prime is 42350565107. The reversal of 42350565091 is 19056505324.

It is not a de Polignac number, because 42350565091 - 2⁹ = 42350564579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42350565031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17726125 + ... + 17728513.

It is an arithmetic number, because the mean of its divisors is an integer number (1459238400).

Almost surely, 2^42350565091 is an apocalyptic number.

42350565091 is a deficient number, since it is larger than the sum of its proper divisors (4345063709).

42350565091 is an equidigital number, since it uses as much as digits as its factorization.

42350565091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 42350565091 in words is "forty-two billion, three hundred fifty million, five hundred sixty-five thousand, ninety-one".