264143012765 has 8 divisors (see below), whose sum is σ = 325538415960. Its totient is φ = 205603209792.

The previous prime is 264143012753. The next prime is 264143012797. The reversal of 264143012765 is 567210341462.

It can be written as a sum of positive squares in 4 ways, for example, as 37907700601 + 226235312164 = 194699^2 + 475642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264143012765 - 2⁶ = 264143012701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713899850 + ... + 713900219.

It is an arithmetic number, because the mean of its divisors is an integer number (40692301995).

Almost surely, 2^264143012765 is an apocalyptic number.

It is an amenable number.

264143012765 is a deficient number, since it is larger than the sum of its proper divisors (61395403195).

264143012765 is a wasteful number, since it uses less digits than its factorization.

264143012765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427800111.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 264143012765 in words is "two hundred sixty-four billion, one hundred forty-three million, twelve thousand, seven hundred sixty-five".