474639343 has 2 divisors, whose sum is σ = 474639344. Its totient is φ = 474639342.

The previous prime is 474639313. The next prime is 474639359. The reversal of 474639343 is 343936474.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-474639343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 474639343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474639313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237319671 + 237319672.

It is an arithmetic number, because the mean of its divisors is an integer number (237319672).

Almost surely, 2^474639343 is an apocalyptic number.

474639343 is a deficient number, since it is larger than the sum of its proper divisors (1).

474639343 is an equidigital number, since it uses as much as digits as its factorization.

474639343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 43.

The square root of 474639343 is about 21786.2191075000. The cubic root of 474639343 is about 780.0478509982.

The spelling of 474639343 in words is "four hundred seventy-four million, six hundred thirty-nine thousand, three hundred forty-three".