669126383 has 2 divisors, whose sum is σ = 669126384. Its totient is φ = 669126382.

The previous prime is 669126377. The next prime is 669126407. The reversal of 669126383 is 383621966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 669126383 - 2⁸ = 669126127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (669126323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334563191 + 334563192.

It is an arithmetic number, because the mean of its divisors is an integer number (334563192).

Almost surely, 2^669126383 is an apocalyptic number.

669126383 is a deficient number, since it is larger than the sum of its proper divisors (1).

669126383 is an equidigital number, since it uses as much as digits as its factorization.

669126383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 44.

The square root of 669126383 is about 25867.4773219191. The cubic root of 669126383 is about 874.6535261718.

The spelling of 669126383 in words is "six hundred sixty-nine million, one hundred twenty-six thousand, three hundred eighty-three".