669701395 has 8 divisors (see below), whose sum is σ = 876700080. Its totient is φ = 487055520.

The previous prime is 669701387. The next prime is 669701411. The reversal of 669701395 is 593107966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 669701395 - 2³ = 669701387 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6088140 + ... + 6088249.

It is an arithmetic number, because the mean of its divisors is an integer number (109587510).

Almost surely, 2^669701395 is an apocalyptic number.

669701395 is a deficient number, since it is larger than the sum of its proper divisors (206998685).

669701395 is a wasteful number, since it uses less digits than its factorization.

669701395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12176405.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 669701395 is about 25878.5895094767. The cubic root of 669701395 is about 874.9039981749.

The spelling of 669701395 in words is "six hundred sixty-nine million, seven hundred one thousand, three hundred ninety-five".