2643143795591 has 8 divisors (see below), whose sum is σ = 2848421593920. Its totient is φ = 2438145860832.

The previous prime is 2643143795581. The next prime is 2643143795627. The reversal of 2643143795591 is 1955973413462.

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 2643143795591 - 2²⁶ = 2643076686727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2643143795591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643143795531) 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 7 ways as a sum of consecutive naturals, for example, 69946271 + ... + 69984048.

It is an arithmetic number, because the mean of its divisors is an integer number (356052699240).

Almost surely, 2^{2643143795591} is an apocalyptic number.

2643143795591 is a deficient number, since it is larger than the sum of its proper divisors (205277798329).

2643143795591 is a wasteful number, since it uses less digits than its factorization.

2643143795591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139931785.

The product of its digits is 24494400, while the sum is 59.

The spelling of 2643143795591 in words is "two trillion, six hundred forty-three billion, one hundred forty-three million, seven hundred ninety-five thousand, five hundred ninety-one".