669614419 has 16 divisors (see below), whose sum is σ = 714522816. Its totient is φ = 626572800.

The previous prime is 669614417. The next prime is 669614431. The reversal of 669614419 is 914416966.

669614419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 669614419 - 2¹ = 669614417 is a prime.

It is a super-2 number, since 2×669614419² = 896766940265415122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669614417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104599 + ... + 110815.

It is an arithmetic number, because the mean of its divisors is an integer number (44657676).

Almost surely, 2^669614419 is an apocalyptic number.

669614419 is a deficient number, since it is larger than the sum of its proper divisors (44908397).

669614419 is a wasteful number, since it uses less digits than its factorization.

669614419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366.

The product of its digits is 279936, while the sum is 46.

The square root of 669614419 is about 25876.9089923816. The cubic root of 669614419 is about 874.8661211224.

It can be divided in two parts, 6696 and 14419, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 669614419 in words is "six hundred sixty-nine million, six hundred fourteen thousand, four hundred nineteen".