669570283 has 2 divisors, whose sum is σ = 669570284. Its totient is φ = 669570282.

The previous prime is 669570199. The next prime is 669570311. The reversal of 669570283 is 382075966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 669570283 - 2²⁵ = 636015851 is a prime.

It is not a weakly prime, because it can be changed into another prime (669540283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334785141 + 334785142.

It is an arithmetic number, because the mean of its divisors is an integer number (334785142).

Almost surely, 2^669570283 is an apocalyptic number.

669570283 is a deficient number, since it is larger than the sum of its proper divisors (1).

669570283 is an equidigital number, since it uses as much as digits as its factorization.

669570283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 669570283 is about 25876.0561716812. The cubic root of 669570283 is about 874.8468991451.

The spelling of 669570283 in words is "six hundred sixty-nine million, five hundred seventy thousand, two hundred eighty-three".