8484637813 has 2 divisors, whose sum is σ = 8484637814. Its totient is φ = 8484637812.

The previous prime is 8484637787. The next prime is 8484637817. The reversal of 8484637813 is 3187364848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8468048484 + 16589329 = 92022^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 8484637813 - 2⁵ = 8484637781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8484637817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4242318906 + 4242318907.

It is an arithmetic number, because the mean of its divisors is an integer number (4242318907).

Almost surely, 2^8484637813 is an apocalyptic number.

It is an amenable number.

8484637813 is a deficient number, since it is larger than the sum of its proper divisors (1).

8484637813 is an equidigital number, since it uses as much as digits as its factorization.

8484637813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 52.

The square root of 8484637813 is about 92112.0937390960. The cubic root of 8484637813 is about 2039.5973360229.

The spelling of 8484637813 in words is "eight billion, four hundred eighty-four million, six hundred thirty-seven thousand, eight hundred thirteen".