264438313829 has 4 divisors (see below), whose sum is σ = 278356119840. Its totient is φ = 250520507820.

The previous prime is 264438313817. The next prime is 264438313831. The reversal of 264438313829 is 928313834462.

It is a happy number.

264438313829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264438313829 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 (264438313129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6958902977 + ... + 6958903014.

It is an arithmetic number, because the mean of its divisors is an integer number (69589029960).

Almost surely, 2^264438313829 is an apocalyptic number.

It is an amenable number.

264438313829 is a deficient number, since it is larger than the sum of its proper divisors (13917806011).

264438313829 is a wasteful number, since it uses less digits than its factorization.

264438313829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13917806010.

The product of its digits is 5971968, while the sum is 53.

The spelling of 264438313829 in words is "two hundred sixty-four billion, four hundred thirty-eight million, three hundred thirteen thousand, eight hundred twenty-nine".