474450947857 has 4 divisors (see below), whose sum is σ = 474453266980. Its totient is φ = 474448628736.

The previous prime is 474450947827. The next prime is 474450947917. The reversal of 474450947857 is 758749054474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 450306760401 + 24144187456 = 671049^2 + 155384^2 .

It is a cyclic number.

It is not a de Polignac number, because 474450947857 - 2¹⁹ = 474450423569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474450947827) 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, 819432 + ... + 1272937.

It is an arithmetic number, because the mean of its divisors is an integer number (118613316745).

Almost surely, 2^474450947857 is an apocalyptic number.

It is an amenable number.

474450947857 is a deficient number, since it is larger than the sum of its proper divisors (2319123).

474450947857 is a wasteful number, since it uses less digits than its factorization.

474450947857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319122.

The product of its (nonzero) digits is 158054400, while the sum is 64.

The spelling of 474450947857 in words is "four hundred seventy-four billion, four hundred fifty million, nine hundred forty-seven thousand, eight hundred fifty-seven".