90189791909326 has 8 divisors (see below), whose sum is σ = 136624140219384. Its totient is φ = 44648411836200.

The previous prime is 90189791909303. The next prime is 90189791909359. The reversal of 90189791909326 is 62390919798109.

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

It is a congruent number.

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, 223242058980 + ... + 223242059383.

It is an arithmetic number, because the mean of its divisors is an integer number (17078017527423).

Almost surely, 2^{90189791909326} is an apocalyptic number.

90189791909326 is a deficient number, since it is larger than the sum of its proper divisors (46434348310058).

90189791909326 is a wasteful number, since it uses less digits than its factorization.

90189791909326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446484118466.

The product of its (nonzero) digits is 119042784, while the sum is 73.

The spelling of 90189791909326 in words is "ninety trillion, one hundred eighty-nine billion, seven hundred ninety-one million, nine hundred nine thousand, three hundred twenty-six".