770763751993 has 2 divisors, whose sum is σ = 770763751994. Its totient is φ = 770763751992.

The previous prime is 770763751991. The next prime is 770763752039. The reversal of 770763751993 is 399157367077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 659616860224 + 111146891769 = 812168^2 + 333387^2 .

It is a cyclic number.

It is not a de Polignac number, because 770763751993 - 2¹ = 770763751991 is a prime.

It is a super-2 number, since 2×770763751993² (a number of 25 digits) contains 22 as substring.

Together with 770763751991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (770763751991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385381875996 + 385381875997.

It is an arithmetic number, because the mean of its divisors is an integer number (385381875997).

Almost surely, 2^770763751993 is an apocalyptic number.

It is an amenable number.

770763751993 is a deficient number, since it is larger than the sum of its proper divisors (1).

770763751993 is an equidigital number, since it uses as much as digits as its factorization.

770763751993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52509870, while the sum is 64.

It can be divided in two parts, 770763 and 751993, that added together give a square (1522756 = 1234²).

The spelling of 770763751993 in words is "seven hundred seventy billion, seven hundred sixty-three million, seven hundred fifty-one thousand, nine hundred ninety-three".