2126866863 has 8 divisors (see below), whose sum is σ = 3093624576. Its totient is φ = 1289010200.

The previous prime is 2126866831. The next prime is 2126866867. The reversal of 2126866863 is 3686686212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2126866863 - 2⁵ = 2126866831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126866867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32225223 + ... + 32225288.

It is an arithmetic number, because the mean of its divisors is an integer number (386703072).

Almost surely, 2^2126866863 is an apocalyptic number.

2126866863 is a deficient number, since it is larger than the sum of its proper divisors (966757713).

2126866863 is a wasteful number, since it uses less digits than its factorization.

2126866863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64450525.

The product of its digits is 995328, while the sum is 48.

The square root of 2126866863 is about 46117.9668133798. The cubic root of 2126866863 is about 1286.0171737953.

The spelling of 2126866863 in words is "two billion, one hundred twenty-six million, eight hundred sixty-six thousand, eight hundred sixty-three".