2471728718593 has 8 divisors (see below), whose sum is σ = 2481919551720. Its totient is φ = 2461545310080.

The previous prime is 2471728718581. The next prime is 2471728718603. The reversal of 2471728718593 is 3958178271742.

It can be written as a sum of positive squares in 4 ways, for example, as 17596553104 + 2454132165489 = 132652^2 + 1566567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2471728718593 is a prime.

It is a super-2 number, since 2×2471728718593² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2471728718573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188468 + ... + 2521093.

It is an arithmetic number, because the mean of its divisors is an integer number (310239943965).

Almost surely, 2^{2471728718593} is an apocalyptic number.

It is an amenable number.

2471728718593 is a deficient number, since it is larger than the sum of its proper divisors (10190833127).

2471728718593 is a wasteful number, since it uses less digits than its factorization.

2471728718593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712307.

The product of its digits is 47416320, while the sum is 64.

The spelling of 2471728718593 in words is "two trillion, four hundred seventy-one billion, seven hundred twenty-eight million, seven hundred eighteen thousand, five hundred ninety-three".