42091410591 has 16 divisors (see below), whose sum is σ = 62395074400. Its totient is φ = 28044097344.

The previous prime is 42091410587. The next prime is 42091410629. The reversal of 42091410591 is 19501419024.

It is a happy number.

42091410591 is a `hidden beast` number, since 4 + 20 + 9 + 1 + 41 + 0 + 591 = 666.

It is not a de Polignac number, because 42091410591 - 2² = 42091410587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42091410541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421966 + ... + 512091.

It is an arithmetic number, because the mean of its divisors is an integer number (3899692150).

Almost surely, 2^42091410591 is an apocalyptic number.

42091410591 is a deficient number, since it is larger than the sum of its proper divisors (20303663809).

42091410591 is a wasteful number, since it uses less digits than its factorization.

42091410591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935735 (or 935729 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 42091410591 in words is "forty-two billion, ninety-one million, four hundred ten thousand, five hundred ninety-one".