264270212321 has 2 divisors, whose sum is σ = 264270212322. Its totient is φ = 264270212320.

The previous prime is 264270212303. The next prime is 264270212333. The reversal of 264270212321 is 123212072462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240217614400 + 24052597921 = 490120^2 + 155089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264270212321 is a prime.

It is not a weakly prime, because it can be changed into another prime (264270212341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132135106160 + 132135106161.

It is an arithmetic number, because the mean of its divisors is an integer number (132135106161).

Almost surely, 2^264270212321 is an apocalyptic number.

It is an amenable number.

264270212321 is a deficient number, since it is larger than the sum of its proper divisors (1).

264270212321 is an equidigital number, since it uses as much as digits as its factorization.

264270212321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 264270212321 its reverse (123212072462), we get a palindrome (387482284783).

The spelling of 264270212321 in words is "two hundred sixty-four billion, two hundred seventy million, two hundred twelve thousand, three hundred twenty-one".