2391453271 has 2 divisors, whose sum is σ = 2391453272. Its totient is φ = 2391453270.

The previous prime is 2391453199. The next prime is 2391453277. The reversal of 2391453271 is 1723541932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2391453271 - 2⁷ = 2391453143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2391453271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2391453277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195726635 + 1195726636.

It is an arithmetic number, because the mean of its divisors is an integer number (1195726636).

Almost surely, 2^2391453271 is an apocalyptic number.

2391453271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2391453271 is an equidigital number, since it uses as much as digits as its factorization.

2391453271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 2391453271 is about 48902.4873702760. The cubic root of 2391453271 is about 1337.2747148550.

The spelling of 2391453271 in words is "two billion, three hundred ninety-one million, four hundred fifty-three thousand, two hundred seventy-one".