7663892993 has 2 divisors, whose sum is σ = 7663892994. Its totient is φ = 7663892992.

The previous prime is 7663892987. The next prime is 7663893007. The reversal of 7663892993 is 3992983667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7660975729 + 2917264 = 87527^2 + 1708^2 .

It is an emirp because it is prime and its reverse (3992983667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7663892993 - 2¹⁰ = 7663891969 is a prime.

It is not a weakly prime, because it can be changed into another prime (7663892963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831946496 + 3831946497.

It is an arithmetic number, because the mean of its divisors is an integer number (3831946497).

Almost surely, 2^7663892993 is an apocalyptic number.

It is an amenable number.

7663892993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7663892993 is an equidigital number, since it uses as much as digits as its factorization.

7663892993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26453952, while the sum is 62.

The square root of 7663892993 is about 87543.6633514956. The cubic root of 7663892993 is about 1971.5894130179.

The spelling of 7663892993 in words is "seven billion, six hundred sixty-three million, eight hundred ninety-two thousand, nine hundred ninety-three".