2391841451 has 2 divisors, whose sum is σ = 2391841452. Its totient is φ = 2391841450.

The previous prime is 2391841433. The next prime is 2391841453. The reversal of 2391841451 is 1541481932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2391841451 - 2²² = 2387647147 is a prime.

Together with 2391841453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2391841453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195920725 + 1195920726.

It is an arithmetic number, because the mean of its divisors is an integer number (1195920726).

Almost surely, 2^2391841451 is an apocalyptic number.

2391841451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2391841451 is an equidigital number, since it uses as much as digits as its factorization.

2391841451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 2391841451 is about 48906.4561280001. The cubic root of 2391841451 is about 1337.3470662882.

The spelling of 2391841451 in words is "two billion, three hundred ninety-one million, eight hundred forty-one thousand, four hundred fifty-one".