91024243922 has 8 divisors (see below), whose sum is σ = 136563958272. Its totient is φ = 45502924500.

The previous prime is 91024243909. The next prime is 91024243987. The reversal of 91024243922 is 22934242019.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4586354 + ... + 4606157.

It is an arithmetic number, because the mean of its divisors is an integer number (17070494784).

Almost surely, 2^91024243922 is an apocalyptic number.

91024243922 is a deficient number, since it is larger than the sum of its proper divisors (45539714350).

91024243922 is a wasteful number, since it uses less digits than its factorization.

91024243922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9197464.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 91024243922 in words is "ninety-one billion, twenty-four million, two hundred forty-three thousand, nine hundred twenty-two".