2040189435887 has 2 divisors, whose sum is σ = 2040189435888. Its totient is φ = 2040189435886.

The previous prime is 2040189435883. The next prime is 2040189435929. The reversal of 2040189435887 is 7885349810402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2040189435887 - 2² = 2040189435883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040189435881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020094717943 + 1020094717944.

It is an arithmetic number, because the mean of its divisors is an integer number (1020094717944).

Almost surely, 2^{2040189435887} is an apocalyptic number.

2040189435887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040189435887 is an equidigital number, since it uses as much as digits as its factorization.

2040189435887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15482880, while the sum is 59.

The spelling of 2040189435887 in words is "two trillion, forty billion, one hundred eighty-nine million, four hundred thirty-five thousand, eight hundred eighty-seven".