91550420342 has 8 divisors (see below), whose sum is σ = 137331015816. Its totient is φ = 45773415072.

The previous prime is 91550420341. The next prime is 91550420359. The reversal of 91550420342 is 24302405519.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91550420341) 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, 832868 + ... + 936359.

It is an arithmetic number, because the mean of its divisors is an integer number (17166376977).

Almost surely, 2^91550420342 is an apocalyptic number.

91550420342 is a deficient number, since it is larger than the sum of its proper divisors (45780595474).

91550420342 is a wasteful number, since it uses less digits than its factorization.

91550420342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795102.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 91550420342 in words is "ninety-one billion, five hundred fifty million, four hundred twenty thousand, three hundred forty-two".