91300424120021 has 8 divisors (see below), whose sum is σ = 92024762225664. Its totient is φ = 90576170969760.

The previous prime is 91300424119991. The next prime is 91300424120207. The reversal of 91300424120021 is 12002142400319.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91300424120021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91300424120921) 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 7 ways as a sum of consecutive naturals, for example, 19080080 + ... + 23380553.

It is an arithmetic number, because the mean of its divisors is an integer number (11503095278208).

Almost surely, 2^{91300424120021} is an apocalyptic number.

It is an amenable number.

91300424120021 is a deficient number, since it is larger than the sum of its proper divisors (724338105643).

91300424120021 is a wasteful number, since it uses less digits than its factorization.

91300424120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42477691.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 91300424120021 in words is "ninety-one trillion, three hundred billion, four hundred twenty-four million, one hundred twenty thousand, twenty-one".