669127363 has 2 divisors, whose sum is σ = 669127364. Its totient is φ = 669127362.

The previous prime is 669127301. The next prime is 669127367. The reversal of 669127363 is 363721966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 669127363 - 2²⁹ = 132256451 is a prime.

It is not a weakly prime, because it can be changed into another prime (669127367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334563681 + 334563682.

It is an arithmetic number, because the mean of its divisors is an integer number (334563682).

Almost surely, 2^669127363 is an apocalyptic number.

669127363 is a deficient number, since it is larger than the sum of its proper divisors (1).

669127363 is an equidigital number, since it uses as much as digits as its factorization.

669127363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 43.

The square root of 669127363 is about 25867.4962646175. The cubic root of 669127363 is about 874.6539531763.

The spelling of 669127363 in words is "six hundred sixty-nine million, one hundred twenty-seven thousand, three hundred sixty-three".