2405404879 has 2 divisors, whose sum is σ = 2405404880. Its totient is φ = 2405404878.

The previous prime is 2405404873. The next prime is 2405404949. The reversal of 2405404879 is 9784045042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2405404879 - 2⁵ = 2405404847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2405404873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202702439 + 1202702440.

It is an arithmetic number, because the mean of its divisors is an integer number (1202702440).

Almost surely, 2^2405404879 is an apocalyptic number.

2405404879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405404879 is an equidigital number, since it uses as much as digits as its factorization.

2405404879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 2405404879 is about 49044.9271484830. The cubic root of 2405404879 is about 1339.8702033260.

The spelling of 2405404879 in words is "two billion, four hundred five million, four hundred four thousand, eight hundred seventy-nine".