65290669 has 8 divisors (see below), whose sum is σ = 68891040. Its totient is φ = 61706736.

The previous prime is 65290649. The next prime is 65290691. The reversal of 65290669 is 96609256.

65290669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 65290669 - 2⁵ = 65290637 is a prime.

It is a super-2 number, since 2×65290669² = 8525742916935122, 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 (65290649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4539 + ... + 12295.

It is an arithmetic number, because the mean of its divisors is an integer number (8611380).

Almost surely, 2^65290669 is an apocalyptic number.

It is an amenable number.

65290669 is a deficient number, since it is larger than the sum of its proper divisors (3600371).

65290669 is a wasteful number, since it uses less digits than its factorization.

65290669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 65290669 is about 8080.2641664738. The cubic root of 65290669 is about 402.6710182045.

The spelling of 65290669 in words is "sixty-five million, two hundred ninety thousand, six hundred sixty-nine".