669290119 has 4 divisors (see below), whose sum is σ = 708660144. Its totient is φ = 629920096.

The previous prime is 669290107. The next prime is 669290131. The reversal of 669290119 is 911092966.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (669290107) and next prime (669290131).

It is a cyclic number.

It is not a de Polignac number, because 669290119 - 2²⁹ = 132419207 is a prime.

It is a super-2 number, since 2×669290119² = 895898526782068322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669230119) 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, 19684987 + ... + 19685020.

It is an arithmetic number, because the mean of its divisors is an integer number (177165036).

Almost surely, 2^669290119 is an apocalyptic number.

669290119 is a deficient number, since it is larger than the sum of its proper divisors (39370025).

669290119 is a wasteful number, since it uses less digits than its factorization.

669290119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39370024.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 669290119 is about 25870.6420291418. The cubic root of 669290119 is about 874.7248632632.

The spelling of 669290119 in words is "six hundred sixty-nine million, two hundred ninety thousand, one hundred nineteen".