264334213243 has 2 divisors, whose sum is σ = 264334213244. Its totient is φ = 264334213242.

The previous prime is 264334213229. The next prime is 264334213291. The reversal of 264334213243 is 342312433462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264334213243 - 2³³ = 255744278651 is a prime.

It is not a weakly prime, because it can be changed into another prime (264334213343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132167106621 + 132167106622.

It is an arithmetic number, because the mean of its divisors is an integer number (132167106622).

Almost surely, 2^264334213243 is an apocalyptic number.

264334213243 is a deficient number, since it is larger than the sum of its proper divisors (1).

264334213243 is an equidigital number, since it uses as much as digits as its factorization.

264334213243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 37.

The spelling of 264334213243 in words is "two hundred sixty-four billion, three hundred thirty-four million, two hundred thirteen thousand, two hundred forty-three".