540811689199 has 2 divisors, whose sum is σ = 540811689200. Its totient is φ = 540811689198.

The previous prime is 540811689167. The next prime is 540811689241. The reversal of 540811689199 is 991986118045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540811689199 - 2⁵ = 540811689167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540811689599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270405844599 + 270405844600.

It is an arithmetic number, because the mean of its divisors is an integer number (270405844600).

Almost surely, 2^540811689199 is an apocalyptic number.

540811689199 is a deficient number, since it is larger than the sum of its proper divisors (1).

540811689199 is an equidigital number, since it uses as much as digits as its factorization.

540811689199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 61.

The spelling of 540811689199 in words is "five hundred forty billion, eight hundred eleven million, six hundred eighty-nine thousand, one hundred ninety-nine".