13092227991 has 8 divisors (see below), whose sum is σ = 19395893360. Its totient is φ = 8728151976.

The previous prime is 13092227977. The next prime is 13092227999. The reversal of 13092227991 is 19972229031.

It is not a de Polignac number, because 13092227991 - 2¹⁰ = 13092226967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13092227999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242448640 + ... + 242448693.

It is an arithmetic number, because the mean of its divisors is an integer number (2424486670).

Almost surely, 2^13092227991 is an apocalyptic number.

13092227991 is a deficient number, since it is larger than the sum of its proper divisors (6303665369).

13092227991 is an equidigital number, since it uses as much as digits as its factorization.

13092227991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484897342 (or 484897336 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 13092227991 in words is "thirteen billion, ninety-two million, two hundred twenty-seven thousand, nine hundred ninety-one".