472815595813 has 4 divisors (see below), whose sum is σ = 515798831808. Its totient is φ = 429832359820.

The previous prime is 472815595789. The next prime is 472815595817. The reversal of 472815595813 is 318595518274.

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-472815595813 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472815595817) 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, 21491617981 + ... + 21491618002.

It is an arithmetic number, because the mean of its divisors is an integer number (128949707952).

Almost surely, 2^472815595813 is an apocalyptic number.

It is an amenable number.

472815595813 is a deficient number, since it is larger than the sum of its proper divisors (42983235995).

472815595813 is a wasteful number, since it uses less digits than its factorization.

472815595813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42983235994.

The product of its digits is 12096000, while the sum is 58.

The spelling of 472815595813 in words is "four hundred seventy-two billion, eight hundred fifteen million, five hundred ninety-five thousand, eight hundred thirteen".