2126843706 has 24 divisors (see below), whose sum is σ = 4606066080. Its totient is φ = 654413136.

The previous prime is 2126843689. The next prime is 2126843737. The reversal of 2126843706 is 6073486212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1047726 + ... + 1049753.

It is an arithmetic number, because the mean of its divisors is an integer number (191919420).

Almost surely, 2^2126843706 is an apocalyptic number.

2126843706 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2126843706 is an abundant number, since it is smaller than the sum of its proper divisors (2479222374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126843706 is a wasteful number, since it uses less digits than its factorization.

2126843706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097510 (or 2097497 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 2126843706 is about 46117.7157500239. The cubic root of 2126843706 is about 1286.0125064592.

The spelling of 2126843706 in words is "two billion, one hundred twenty-six million, eight hundred forty-three thousand, seven hundred six".