319240669 has 4 divisors (see below), whose sum is σ = 348262560. Its totient is φ = 290218780.

The previous prime is 319240657. The next prime is 319240673. The reversal of 319240669 is 966042913.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 319240669 - 2⁷ = 319240541 is a prime.

It is a super-2 number, since 2×319240669² = 203829209487135122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319240609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14510929 + ... + 14510950.

It is an arithmetic number, because the mean of its divisors is an integer number (87065640).

Almost surely, 2^319240669 is an apocalyptic number.

It is an amenable number.

319240669 is a deficient number, since it is larger than the sum of its proper divisors (29021891).

319240669 is a wasteful number, since it uses less digits than its factorization.

319240669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29021890.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 319240669 is about 17867.3072677446. The cubic root of 319240669 is about 683.4489344512.

The spelling of 319240669 in words is "three hundred nineteen million, two hundred forty thousand, six hundred sixty-nine".