6516648763 has 2 divisors, whose sum is σ = 6516648764. Its totient is φ = 6516648762.

The previous prime is 6516648739. The next prime is 6516648767. The reversal of 6516648763 is 3678466156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6516648763 - 2⁵ = 6516648731 is a prime.

It is a super-2 number, since 2×6516648763² = 84933422200618860338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6516648763.

It is not a weakly prime, because it can be changed into another prime (6516648767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258324381 + 3258324382.

It is an arithmetic number, because the mean of its divisors is an integer number (3258324382).

Almost surely, 2^6516648763 is an apocalyptic number.

6516648763 is a deficient number, since it is larger than the sum of its proper divisors (1).

6516648763 is an equidigital number, since it uses as much as digits as its factorization.

6516648763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The square root of 6516648763 is about 80725.7626969235. The cubic root of 6516648763 is about 1867.8475967037.

The spelling of 6516648763 in words is "six billion, five hundred sixteen million, six hundred forty-eight thousand, seven hundred sixty-three".