264214689 has 8 divisors (see below), whose sum is σ = 352361472. Its totient is φ = 176105520.

The previous prime is 264214681. The next prime is 264214721. The reversal of 264214689 is 986412462.

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

It is not a de Polignac number, because 264214689 - 2³ = 264214681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264214689.

It is not an unprimeable number, because it can be changed into a prime (264214681) by changing a digit.

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, 21507 + ... + 31479.

It is an arithmetic number, because the mean of its divisors is an integer number (44045184).

Almost surely, 2^264214689 is an apocalyptic number.

It is an amenable number.

264214689 is a deficient number, since it is larger than the sum of its proper divisors (88146783).

264214689 is an equidigital number, since it uses as much as digits as its factorization.

264214689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18807.

The product of its digits is 165888, while the sum is 42.

The square root of 264214689 is about 16254.6820639470. The cubic root of 264214689 is about 641.6807134123.

The spelling of 264214689 in words is "two hundred sixty-four million, two hundred fourteen thousand, six hundred eighty-nine".