471997439 has 2 divisors, whose sum is σ = 471997440. Its totient is φ = 471997438.

The previous prime is 471997423. The next prime is 471997483. The reversal of 471997439 is 934799174.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 471997439 - 2⁴ = 471997423 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 (471997039) 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, 235998719 + 235998720.

It is an arithmetic number, because the mean of its divisors is an integer number (235998720).

Almost surely, 2^471997439 is an apocalyptic number.

471997439 is a deficient number, since it is larger than the sum of its proper divisors (1).

471997439 is an equidigital number, since it uses as much as digits as its factorization.

471997439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 53.

The square root of 471997439 is about 21725.5020425306. The cubic root of 471997439 is about 778.5978749851.

The spelling of 471997439 in words is "four hundred seventy-one million, nine hundred ninety-seven thousand, four hundred thirty-nine".