669030059 has 2 divisors, whose sum is σ = 669030060. Its totient is φ = 669030058.

The previous prime is 669030017. The next prime is 669030073. The reversal of 669030059 is 950030966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 669030059 - 2¹² = 669025963 is a prime.

It is not a weakly prime, because it can be changed into another prime (669030079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334515029 + 334515030.

It is an arithmetic number, because the mean of its divisors is an integer number (334515030).

Almost surely, 2^669030059 is an apocalyptic number.

669030059 is a deficient number, since it is larger than the sum of its proper divisors (1).

669030059 is an equidigital number, since it uses as much as digits as its factorization.

669030059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 669030059 is about 25865.6153802688. The cubic root of 669030059 is about 874.6115539468.

The spelling of 669030059 in words is "six hundred sixty-nine million, thirty thousand, fifty-nine".