91420358326 has 8 divisors (see below), whose sum is σ = 149596950024. Its totient is φ = 41554708320.

The previous prime is 91420358311. The next prime is 91420358353. The reversal of 91420358326 is 62385302419.

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, 2077735395 + ... + 2077735438.

It is an arithmetic number, because the mean of its divisors is an integer number (18699618753).

Almost surely, 2^91420358326 is an apocalyptic number.

91420358326 is a deficient number, since it is larger than the sum of its proper divisors (58176591698).

91420358326 is a wasteful number, since it uses less digits than its factorization.

91420358326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4155470846.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 91420358326 in words is "ninety-one billion, four hundred twenty million, three hundred fifty-eight thousand, three hundred twenty-six".