264643204143 has 16 divisors (see below), whose sum is σ = 364258778112. Its totient is φ = 170728800000.

The previous prime is 264643204127. The next prime is 264643204169. The reversal of 264643204143 is 341402346462.

It is not a de Polignac number, because 264643204143 - 2⁴ = 264643204127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264643204193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2096368 + ... + 2219018.

It is an arithmetic number, because the mean of its divisors is an integer number (22766173632).

Almost surely, 2^264643204143 is an apocalyptic number.

264643204143 is a deficient number, since it is larger than the sum of its proper divisors (99615573969).

264643204143 is a wasteful number, since it uses less digits than its factorization.

264643204143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145886.

The product of its (nonzero) digits is 331776, while the sum is 39.

The spelling of 264643204143 in words is "two hundred sixty-four billion, six hundred forty-three million, two hundred four thousand, one hundred forty-three".