264533545131633 has 40 divisors (see below), whose sum is σ = 418426856777952. Its totient is φ = 165976151048064.

The previous prime is 264533545131613. The next prime is 264533545131683. The reversal of 264533545131633 is 336131545335462.

It is a happy number.

264533545131633 is a `hidden beast` number, since 2 + 6 + 4 + 5 + 3 + 3 + 545 + 1 + 31 + 63 + 3 = 666.

It is not a de Polignac number, because 264533545131633 - 2¹⁰ = 264533545130609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264533545131633.

It is not an unprimeable number, because it can be changed into a prime (264533545131613) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37137766 + ... + 43683872.

Almost surely, 2^{264533545131633} is an apocalyptic number.

It is an amenable number.

264533545131633 is a deficient number, since it is larger than the sum of its proper divisors (153893311646319).

264533545131633 is a wasteful number, since it uses less digits than its factorization.

264533545131633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575483 (or 6575474 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 54.

The spelling of 264533545131633 in words is "two hundred sixty-four trillion, five hundred thirty-three billion, five hundred forty-five million, one hundred thirty-one thousand, six hundred thirty-three".