2472117708647 has 4 divisors (see below), whose sum is σ = 2551863441216. Its totient is φ = 2392371976080.

The previous prime is 2472117708607. The next prime is 2472117708649. The reversal of 2472117708647 is 7468077112742.

It is a happy number.

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 2472117708647 - 2¹⁸ = 2472117446503 is a prime.

It is a super-2 number, since 2×2472117708647² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2472117708592 and 2472117708601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472117708649) 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, 39872866238 + ... + 39872866299.

It is an arithmetic number, because the mean of its divisors is an integer number (637965860304).

Almost surely, 2^{2472117708647} is an apocalyptic number.

2472117708647 is a deficient number, since it is larger than the sum of its proper divisors (79745732569).

2472117708647 is an equidigital number, since it uses as much as digits as its factorization.

2472117708647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79745732568.

The product of its (nonzero) digits is 7375872, while the sum is 56.

The spelling of 2472117708647 in words is "two trillion, four hundred seventy-two billion, one hundred seventeen million, seven hundred eight thousand, six hundred forty-seven".