2472636817 has 4 divisors (see below), whose sum is σ = 2825870656. Its totient is φ = 2119402980.

The previous prime is 2472636811. The next prime is 2472636823. The reversal of 2472636817 is 7186362742.

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 an interprime number because it is at equal distance from previous prime (2472636811) and next prime (2472636823).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2472636817 is a prime.

It is a super-2 number, since 2×2472636817² = 12227865657567782978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2472636811) 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, 176616909 + ... + 176616922.

It is an arithmetic number, because the mean of its divisors is an integer number (706467664).

Almost surely, 2^2472636817 is an apocalyptic number.

It is an amenable number.

2472636817 is a deficient number, since it is larger than the sum of its proper divisors (353233839).

2472636817 is an equidigital number, since it uses as much as digits as its factorization.

2472636817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353233838.

The product of its digits is 677376, while the sum is 46.

The square root of 2472636817 is about 49725.6153003661. The cubic root of 2472636817 is about 1352.2389580971.

The spelling of 2472636817 in words is "two billion, four hundred seventy-two million, six hundred thirty-six thousand, eight hundred seventeen".