763764481 has 2 divisors, whose sum is σ = 763764482. Its totient is φ = 763764480.

The previous prime is 763764479. The next prime is 763764487. The reversal of 763764481 is 184467367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550137025 + 213627456 = 23455^2 + 14616^2 .

It is a cyclic number.

It is not a de Polignac number, because 763764481 - 2¹ = 763764479 is a prime.

It is a super-2 number, since 2×763764481² = 1166672364874398722, which contains 22 as substring.

Together with 763764479, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (763764487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381882240 + 381882241.

It is an arithmetic number, because the mean of its divisors is an integer number (381882241).

Almost surely, 2^763764481 is an apocalyptic number.

It is an amenable number.

763764481 is a deficient number, since it is larger than the sum of its proper divisors (1).

763764481 is an equidigital number, since it uses as much as digits as its factorization.

763764481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 46.

The square root of 763764481 is about 27636.2892045947. The cubic root of 763764481 is about 914.0847970236.

The spelling of 763764481 in words is "seven hundred sixty-three million, seven hundred sixty-four thousand, four hundred eighty-one".