669341383 has 2 divisors, whose sum is σ = 669341384. Its totient is φ = 669341382.

The previous prime is 669341381. The next prime is 669341401. The reversal of 669341383 is 383143966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 669341383 - 2¹ = 669341381 is a prime.

Together with 669341381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (669341381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334670691 + 334670692.

It is an arithmetic number, because the mean of its divisors is an integer number (334670692).

Almost surely, 2^669341383 is an apocalyptic number.

669341383 is a deficient number, since it is larger than the sum of its proper divisors (1).

669341383 is an equidigital number, since it uses as much as digits as its factorization.

669341383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 43.

The square root of 669341383 is about 25871.6327857366. The cubic root of 669341383 is about 874.7471957562.

The spelling of 669341383 in words is "six hundred sixty-nine million, three hundred forty-one thousand, three hundred eighty-three".