5186764643 has 2 divisors, whose sum is σ = 5186764644. Its totient is φ = 5186764642.

The previous prime is 5186764631. The next prime is 5186764679. The reversal of 5186764643 is 3464676815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5186764643 - 2³⁰ = 4113022819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5186764591 and 5186764600.

It is not a weakly prime, because it can be changed into another prime (5186764603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2593382321 + 2593382322.

It is an arithmetic number, because the mean of its divisors is an integer number (2593382322).

Almost surely, 2^5186764643 is an apocalyptic number.

5186764643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5186764643 is an equidigital number, since it uses as much as digits as its factorization.

5186764643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 50.

The square root of 5186764643 is about 72019.1963506953. The cubic root of 5186764643 is about 1731.0070921293.

The spelling of 5186764643 in words is "five billion, one hundred eighty-six million, seven hundred sixty-four thousand, six hundred forty-three".