763381901 has 2 divisors, whose sum is σ = 763381902. Its totient is φ = 763381900.

The previous prime is 763381897. The next prime is 763381903. The reversal of 763381901 is 109183367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 723072100 + 40309801 = 26890^2 + 6349^2 .

It is a cyclic number.

It is not a de Polignac number, because 763381901 - 2² = 763381897 is a prime.

Together with 763381903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (763381903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381690950 + 381690951.

It is an arithmetic number, because the mean of its divisors is an integer number (381690951).

Almost surely, 2^763381901 is an apocalyptic number.

It is an amenable number.

763381901 is a deficient number, since it is larger than the sum of its proper divisors (1).

763381901 is an equidigital number, since it uses as much as digits as its factorization.

763381901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 763381901 is about 27629.3666413112. The cubic root of 763381901 is about 913.9321457032.

The spelling of 763381901 in words is "seven hundred sixty-three million, three hundred eighty-one thousand, nine hundred one".