472551785999 has 4 divisors (see below), whose sum is σ = 472572481320. Its totient is φ = 472531090680.

The previous prime is 472551785957. The next prime is 472551786013. The reversal of 472551785999 is 999587155274.

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

It is a cyclic number.

It is not a de Polignac number, because 472551785999 - 2⁸ = 472551785743 is a prime.

It is a Duffinian number.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472551785939) 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, 10313372 + ... + 10359089.

It is an arithmetic number, because the mean of its divisors is an integer number (118143120330).

Almost surely, 2^472551785999 is an apocalyptic number.

472551785999 is a deficient number, since it is larger than the sum of its proper divisors (20695321).

472551785999 is a wasteful number, since it uses less digits than its factorization.

472551785999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20695320.

The product of its digits is 285768000, while the sum is 71.

The spelling of 472551785999 in words is "four hundred seventy-two billion, five hundred fifty-one million, seven hundred eighty-five thousand, nine hundred ninety-nine".