264331603351321 has 8 divisors (see below), whose sum is σ = 288362379193344. Its totient is φ = 240300932523120.

The previous prime is 264331603351229. The next prime is 264331603351331. The reversal of 264331603351321 is 123153306133462.

264331603351321 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 a de Polignac number, because none of the positive numbers 2^k-264331603351321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264331603351331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20943705 + ... + 31101478.

It is an arithmetic number, because the mean of its divisors is an integer number (36045297399168).

Almost surely, 2^{264331603351321} is an apocalyptic number.

It is an amenable number.

264331603351321 is a deficient number, since it is larger than the sum of its proper divisors (24030775842023).

264331603351321 is a wasteful number, since it uses less digits than its factorization.

264331603351321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52506911.

The product of its (nonzero) digits is 699840, while the sum is 43.

Adding to 264331603351321 its reverse (123153306133462), we get a palindrome (387484909484783).

The spelling of 264331603351321 in words is "two hundred sixty-four trillion, three hundred thirty-one billion, six hundred three million, three hundred fifty-one thousand, three hundred twenty-one".