91362432298391 has 4 divisors (see below), whose sum is σ = 91378111458552. Its totient is φ = 91346753138232.

The previous prime is 91362432298387. The next prime is 91362432298433. The reversal of 91362432298391 is 19389223426319.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91362432298391 - 2² = 91362432298387 is a prime.

It is a super-2 number, since 2×91362432298391² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91362432268391) 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, 7839571340 + ... + 7839582993.

It is an arithmetic number, because the mean of its divisors is an integer number (22844527864638).

Almost surely, 2^{91362432298391} is an apocalyptic number.

91362432298391 is a deficient number, since it is larger than the sum of its proper divisors (15679160161).

91362432298391 is a wasteful number, since it uses less digits than its factorization.

91362432298391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15679160160.

The product of its digits is 30233088, while the sum is 62.

The spelling of 91362432298391 in words is "ninety-one trillion, three hundred sixty-two billion, four hundred thirty-two million, two hundred ninety-eight thousand, three hundred ninety-one".