472448869 has 4 divisors (see below), whose sum is σ = 483436096. Its totient is φ = 461461644.

The previous prime is 472448857. The next prime is 472448891. The reversal of 472448869 is 968844274.

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 a de Polignac number, because none of the positive numbers 2^k-472448869 is a prime.

It is a super-2 number, since 2×472448869² = 446415867638758322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472448849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5493549 + ... + 5493634.

It is an arithmetic number, because the mean of its divisors is an integer number (120859024).

Almost surely, 2^472448869 is an apocalyptic number.

It is an amenable number.

472448869 is a deficient number, since it is larger than the sum of its proper divisors (10987227).

472448869 is a wasteful number, since it uses less digits than its factorization.

472448869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10987226.

The product of its digits is 3096576, while the sum is 52.

The square root of 472448869 is about 21735.8889627271. Note that the first 3 decimals coincide. The cubic root of 472448869 is about 778.8460192995.

The spelling of 472448869 in words is "four hundred seventy-two million, four hundred forty-eight thousand, eight hundred sixty-nine".