472718515569 has 4 divisors (see below), whose sum is σ = 630291354096. Its totient is φ = 315145677044.

The previous prime is 472718515547. The next prime is 472718515603. The reversal of 472718515569 is 965515817274.

It is a happy number.

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 472718515569 - 2⁵ = 472718515537 is a prime.

It is a super-2 number, since 2×472718515569² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (472718515069) 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, 78786419259 + ... + 78786419264.

It is an arithmetic number, because the mean of its divisors is an integer number (157572838524).

Almost surely, 2^472718515569 is an apocalyptic number.

It is an amenable number.

472718515569 is a deficient number, since it is larger than the sum of its proper divisors (157572838527).

472718515569 is a wasteful number, since it uses less digits than its factorization.

472718515569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157572838526.

The product of its digits is 21168000, while the sum is 60.

The spelling of 472718515569 in words is "four hundred seventy-two billion, seven hundred eighteen million, five hundred fifteen thousand, five hundred sixty-nine".