4474809557 has 4 divisors (see below), whose sum is σ = 4559239980. Its totient is φ = 4390379136.

The previous prime is 4474809539. The next prime is 4474809587. The reversal of 4474809557 is 7559084744.

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 4109579236 + 365230321 = 64106^2 + 19111^2 .

It is a cyclic number.

It is not a de Polignac number, because 4474809557 - 2¹⁴ = 4474793173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 84430369 = 4474809557 / (4 + 4 + 7 + 4 + 8 + 0 + 9 + 5 + 5 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4474809499 and 4474809508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4474809587) 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, 42215132 + ... + 42215237.

It is an arithmetic number, because the mean of its divisors is an integer number (1139809995).

Almost surely, 2^4474809557 is an apocalyptic number.

It is an amenable number.

4474809557 is a deficient number, since it is larger than the sum of its proper divisors (84430423).

4474809557 is an equidigital number, since it uses as much as digits as its factorization.

4474809557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84430422.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The square root of 4474809557 is about 66894.0173483399. The cubic root of 4474809557 is about 1647.8772281692.

The spelling of 4474809557 in words is "four billion, four hundred seventy-four million, eight hundred nine thousand, five hundred fifty-seven".