264440611065353 has 2 divisors, whose sum is σ = 264440611065354. Its totient is φ = 264440611065352.

The previous prime is 264440611065349. The next prime is 264440611065383. The reversal of 264440611065353 is 353560116044462.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263278759901689 + 1161851163664 = 16225867^2 + 1077892^2 .

It is a cyclic number.

It is not a de Polignac number, because 264440611065353 - 2² = 264440611065349 is a prime.

It is not a weakly prime, because it can be changed into another prime (264440611065343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132220305532676 + 132220305532677.

It is an arithmetic number, because the mean of its divisors is an integer number (132220305532677).

Almost surely, 2^{264440611065353} is an apocalyptic number.

It is an amenable number.

264440611065353 is a deficient number, since it is larger than the sum of its proper divisors (1).

264440611065353 is an equidigital number, since it uses as much as digits as its factorization.

264440611065353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 264440611065353 in words is "two hundred sixty-four trillion, four hundred forty billion, six hundred eleven million, sixty-five thousand, three hundred fifty-three".