474279109 has 2 divisors, whose sum is σ = 474279110. Its totient is φ = 474279108.

The previous prime is 474279059. The next prime is 474279119. The reversal of 474279109 is 901972474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 473062500 + 1216609 = 21750^2 + 1103^2 .

It is a cyclic number.

It is not a de Polignac number, because 474279109 - 2²³ = 465890501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474279119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237139554 + 237139555.

It is an arithmetic number, because the mean of its divisors is an integer number (237139555).

Almost surely, 2^474279109 is an apocalyptic number.

It is an amenable number.

474279109 is a deficient number, since it is larger than the sum of its proper divisors (1).

474279109 is an equidigital number, since it uses as much as digits as its factorization.

474279109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 474279109 is about 21777.9500642278. The cubic root of 474279109 is about 779.8504584016.

The spelling of 474279109 in words is "four hundred seventy-four million, two hundred seventy-nine thousand, one hundred nine".