264263984361 has 12 divisors (see below), whose sum is σ = 411077309188. Its totient is φ = 162623990304.

The previous prime is 264263984359. The next prime is 264263984363. The reversal of 264263984361 is 163489362462.

264263984361 is a `hidden beast` number, since 2 + 64 + 2 + 63 + 98 + 436 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (264263984359) and next prime (264263984363).

It can be written as a sum of positive squares in 2 ways, for example, as 164900966400 + 99363017961 = 406080^2 + 315219^2 .

It is not a de Polignac number, because 264263984361 - 2¹ = 264263984359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 264263984298 and 264263984307.

It is not an unprimeable number, because it can be changed into a prime (264263984363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1129333150 + ... + 1129333383.

Almost surely, 2^264263984361 is an apocalyptic number.

It is an amenable number.

264263984361 is a deficient number, since it is larger than the sum of its proper divisors (146813324827).

264263984361 is a wasteful number, since it uses less digits than its factorization.

264263984361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258666552 (or 2258666549 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 264263984361 in words is "two hundred sixty-four billion, two hundred sixty-three million, nine hundred eighty-four thousand, three hundred sixty-one".