2091313454227 has 4 divisors (see below), whose sum is σ = 2135809485216. Its totient is φ = 2046817423240.

The previous prime is 2091313454221. The next prime is 2091313454231. The reversal of 2091313454227 is 7224543131902.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2091313454227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2091313454221) 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, 22248015424 + ... + 22248015517.

It is an arithmetic number, because the mean of its divisors is an integer number (533952371304).

Almost surely, 2^{2091313454227} is an apocalyptic number.

2091313454227 is a deficient number, since it is larger than the sum of its proper divisors (44496030989).

2091313454227 is an equidigital number, since it uses as much as digits as its factorization.

2091313454227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44496030988.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 2091313454227 in words is "two trillion, ninety-one billion, three hundred thirteen million, four hundred fifty-four thousand, two hundred twenty-seven".