474391999 has 2 divisors, whose sum is σ = 474392000. Its totient is φ = 474391998.

The previous prime is 474391949. The next prime is 474392041. The reversal of 474391999 is 999193474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 474391999 - 2²⁵ = 440837567 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474391909) 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, 237195999 + 237196000.

It is an arithmetic number, because the mean of its divisors is an integer number (237196000).

Almost surely, 2^474391999 is an apocalyptic number.

474391999 is a deficient number, since it is larger than the sum of its proper divisors (1).

474391999 is an equidigital number, since it uses as much as digits as its factorization.

474391999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 55.

The square root of 474391999 is about 21780.5417517563. The cubic root of 474391999 is about 779.9123279720.

The spelling of 474391999 in words is "four hundred seventy-four million, three hundred ninety-one thousand, nine hundred ninety-nine".