264819641 has 8 divisors (see below), whose sum is σ = 270449280. Its totient is φ = 259213552.

The previous prime is 264819623. The next prime is 264819649. The reversal of 264819641 is 146918462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264819641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264819649) 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, 17840 + ... + 29118.

It is an arithmetic number, because the mean of its divisors is an integer number (33806160).

Almost surely, 2^264819641 is an apocalyptic number.

It is an amenable number.

264819641 is a deficient number, since it is larger than the sum of its proper divisors (5629639).

264819641 is a wasteful number, since it uses less digits than its factorization.

264819641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11775.

The product of its digits is 82944, while the sum is 41.

The square root of 264819641 is about 16273.2799705530. The cubic root of 264819641 is about 642.1700757337.

The spelling of 264819641 in words is "two hundred sixty-four million, eight hundred nineteen thousand, six hundred forty-one".