474398279 has 2 divisors, whose sum is σ = 474398280. Its totient is φ = 474398278.

The previous prime is 474398219. The next prime is 474398321. The reversal of 474398279 is 972893474.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-474398279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 474398279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474398219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237199139 + 237199140.

It is an arithmetic number, because the mean of its divisors is an integer number (237199140).

Almost surely, 2^474398279 is an apocalyptic number.

474398279 is a deficient number, since it is larger than the sum of its proper divisors (1).

474398279 is an equidigital number, since it uses as much as digits as its factorization.

474398279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 53.

The square root of 474398279 is about 21780.6859166556. The cubic root of 474398279 is about 779.9157694493.

The spelling of 474398279 in words is "four hundred seventy-four million, three hundred ninety-eight thousand, two hundred seventy-nine".