2140881863 has 2 divisors, whose sum is σ = 2140881864. Its totient is φ = 2140881862.

The previous prime is 2140881857. The next prime is 2140881881. The reversal of 2140881863 is 3681880412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140881863 - 2¹⁴ = 2140865479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2140881863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140881823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070440931 + 1070440932.

It is an arithmetic number, because the mean of its divisors is an integer number (1070440932).

Almost surely, 2^2140881863 is an apocalyptic number.

2140881863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140881863 is an equidigital number, since it uses as much as digits as its factorization.

2140881863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 2140881863 is about 46269.6646086829. The cubic root of 2140881863 is about 1288.8357307663.

The spelling of 2140881863 in words is "two billion, one hundred forty million, eight hundred eighty-one thousand, eight hundred sixty-three".