264810219253 has 2 divisors, whose sum is σ = 264810219254. Its totient is φ = 264810219252.

The previous prime is 264810219251. The next prime is 264810219281. The reversal of 264810219253 is 352912018462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235168743364 + 29641475889 = 484942^2 + 172167^2 .

It is a cyclic number.

It is not a de Polignac number, because 264810219253 - 2¹ = 264810219251 is a prime.

Together with 264810219251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264810219251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132405109626 + 132405109627.

It is an arithmetic number, because the mean of its divisors is an integer number (132405109627).

Almost surely, 2^264810219253 is an apocalyptic number.

It is an amenable number.

264810219253 is a deficient number, since it is larger than the sum of its proper divisors (1).

264810219253 is an equidigital number, since it uses as much as digits as its factorization.

264810219253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 264810219253 in words is "two hundred sixty-four billion, eight hundred ten million, two hundred nineteen thousand, two hundred fifty-three".