2391841427 has 2 divisors, whose sum is σ = 2391841428. Its totient is φ = 2391841426.

The previous prime is 2391841337. The next prime is 2391841433. The reversal of 2391841427 is 7241481932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2391841427 - 2²² = 2387647123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2391831427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195920713 + 1195920714.

It is an arithmetic number, because the mean of its divisors is an integer number (1195920714).

Almost surely, 2^2391841427 is an apocalyptic number.

2391841427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2391841427 is an equidigital number, since it uses as much as digits as its factorization.

2391841427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 2391841427 is about 48906.4558826337. The cubic root of 2391841427 is about 1337.3470618152.

The spelling of 2391841427 in words is "two billion, three hundred ninety-one million, eight hundred forty-one thousand, four hundred twenty-seven".