2404259491 has 2 divisors, whose sum is σ = 2404259492. Its totient is φ = 2404259490.

The previous prime is 2404259489. The next prime is 2404259521. The reversal of 2404259491 is 1949524042.

2404259491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2404259491 - 2¹ = 2404259489 is a prime.

Together with 2404259489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2404259441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202129745 + 1202129746.

It is an arithmetic number, because the mean of its divisors is an integer number (1202129746).

Almost surely, 2^2404259491 is an apocalyptic number.

2404259491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404259491 is an equidigital number, since it uses as much as digits as its factorization.

2404259491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2404259491 is about 49033.2488317876. The cubic root of 2404259491 is about 1339.6574997157.

The spelling of 2404259491 in words is "two billion, four hundred four million, two hundred fifty-nine thousand, four hundred ninety-one".