761383643 has 2 divisors, whose sum is σ = 761383644. Its totient is φ = 761383642.

The previous prime is 761383631. The next prime is 761383663. The reversal of 761383643 is 346383167.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 761383643 - 2⁸ = 761383387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 761383643.

It is not a weakly prime, because it can be changed into another prime (761383663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380691821 + 380691822.

It is an arithmetic number, because the mean of its divisors is an integer number (380691822).

Almost surely, 2^761383643 is an apocalyptic number.

761383643 is a deficient number, since it is larger than the sum of its proper divisors (1).

761383643 is an equidigital number, since it uses as much as digits as its factorization.

761383643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

The square root of 761383643 is about 27593.1810960607. The cubic root of 761383643 is about 913.1340008308.

The spelling of 761383643 in words is "seven hundred sixty-one million, three hundred eighty-three thousand, six hundred forty-three".