2160801723643 has 2 divisors, whose sum is σ = 2160801723644. Its totient is φ = 2160801723642.

The previous prime is 2160801723607. The next prime is 2160801723653. The reversal of 2160801723643 is 3463271080612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2160801723643 - 2²⁵ = 2160768169211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2160801723643.

It is not a weakly prime, because it can be changed into another prime (2160801723653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080400861821 + 1080400861822.

It is an arithmetic number, because the mean of its divisors is an integer number (1080400861822).

Almost surely, 2^{2160801723643} is an apocalyptic number.

2160801723643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2160801723643 is an equidigital number, since it uses as much as digits as its factorization.

2160801723643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 2160801723643 in words is "two trillion, one hundred sixty billion, eight hundred one million, seven hundred twenty-three thousand, six hundred forty-three".