2140866263 has 2 divisors, whose sum is σ = 2140866264. Its totient is φ = 2140866262.

The previous prime is 2140866251. The next prime is 2140866319. The reversal of 2140866263 is 3626680412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140866263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140865263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070433131 + 1070433132.

It is an arithmetic number, because the mean of its divisors is an integer number (1070433132).

Almost surely, 2^2140866263 is an apocalyptic number.

2140866263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140866263 is an equidigital number, since it uses as much as digits as its factorization.

2140866263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2140866263 is about 46269.4960314028. The cubic root of 2140866263 is about 1288.8326002984.

The spelling of 2140866263 in words is "two billion, one hundred forty million, eight hundred sixty-six thousand, two hundred sixty-three".