264133776013 has 4 divisors (see below), whose sum is σ = 264404128860. Its totient is φ = 263863423168.

The previous prime is 264133775981. The next prime is 264133776017. The reversal of 264133776013 is 310677331462.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 196498931524 + 67634844489 = 443282^2 + 260067^2 .

It is a cyclic number.

It is not a de Polignac number, because 264133776013 - 2⁵ = 264133775981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264133776017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135174958 + ... + 135176911.

It is an arithmetic number, because the mean of its divisors is an integer number (66101032215).

Almost surely, 2^264133776013 is an apocalyptic number.

It is an amenable number.

264133776013 is a deficient number, since it is larger than the sum of its proper divisors (270352847).

264133776013 is an equidigital number, since it uses as much as digits as its factorization.

264133776013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270352846.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 264133776013 in words is "two hundred sixty-four billion, one hundred thirty-three million, seven hundred seventy-six thousand, thirteen".