264337247269 has 2 divisors, whose sum is σ = 264337247270. Its totient is φ = 264337247268.

The previous prime is 264337247219. The next prime is 264337247303. The reversal of 264337247269 is 962742733462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263918512900 + 418734369 = 513730^2 + 20463^2 .

It is a cyclic number.

It is not a de Polignac number, because 264337247269 - 2³¹ = 262189763621 is a prime.

It is a super-2 number, since 2×264337247269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264337247219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132168623634 + 132168623635.

It is an arithmetic number, because the mean of its divisors is an integer number (132168623635).

Almost surely, 2^264337247269 is an apocalyptic number.

It is an amenable number.

264337247269 is a deficient number, since it is larger than the sum of its proper divisors (1).

264337247269 is an equidigital number, since it uses as much as digits as its factorization.

264337247269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 55.

The spelling of 264337247269 in words is "two hundred sixty-four billion, three hundred thirty-seven million, two hundred forty-seven thousand, two hundred sixty-nine".