91269375493321 has 4 divisors (see below), whose sum is σ = 91269459563472. Its totient is φ = 91269291423172.

The previous prime is 91269375493271. The next prime is 91269375493357. The reversal of 91269375493321 is 12339457396219.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 91269375493321 - 2¹³ = 91269375485129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91269375473321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40385035 + ... + 42585088.

It is an arithmetic number, because the mean of its divisors is an integer number (22817364890868).

Almost surely, 2^{91269375493321} is an apocalyptic number.

It is an amenable number.

91269375493321 is a deficient number, since it is larger than the sum of its proper divisors (84070151).

91269375493321 is a wasteful number, since it uses less digits than its factorization.

91269375493321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84070150.

The product of its digits is 66134880, while the sum is 64.

The spelling of 91269375493321 in words is "ninety-one trillion, two hundred sixty-nine billion, three hundred seventy-five million, four hundred ninety-three thousand, three hundred twenty-one".