474123509 has 4 divisors (see below), whose sum is σ = 474606816. Its totient is φ = 473640204.

The previous prime is 474123499. The next prime is 474123563. The reversal of 474123509 is 905321474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 474123509 - 2⁴ = 474123493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474123589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240179 + ... + 242144.

It is an arithmetic number, because the mean of its divisors is an integer number (118651704).

Almost surely, 2^474123509 is an apocalyptic number.

It is an amenable number.

474123509 is a deficient number, since it is larger than the sum of its proper divisors (483307).

474123509 is an equidigital number, since it uses as much as digits as its factorization.

474123509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483306.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 474123509 is about 21774.3773504548. The cubic root of 474123509 is about 779.7651654440.

The spelling of 474123509 in words is "four hundred seventy-four million, one hundred twenty-three thousand, five hundred nine".