4972539586423 has 4 divisors (see below), whose sum is σ = 4972894047640. Its totient is φ = 4972185125208.

The previous prime is 4972539586403. The next prime is 4972539586463. The reversal of 4972539586423 is 3246859352794.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4972539586423 is a prime.

It is a super-2 number, since 2×4972539586423² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4972539586403) 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, 177209565 + ... + 177237622.

It is an arithmetic number, because the mean of its divisors is an integer number (1243223511910).

Almost surely, 2^{4972539586423} is an apocalyptic number.

4972539586423 is a deficient number, since it is larger than the sum of its proper divisors (354461217).

4972539586423 is a wasteful number, since it uses less digits than its factorization.

4972539586423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354461216.

The product of its digits is 391910400, while the sum is 67.

The spelling of 4972539586423 in words is "four trillion, nine hundred seventy-two billion, five hundred thirty-nine million, five hundred eighty-six thousand, four hundred twenty-three".