2126263845 has 32 divisors (see below), whose sum is σ = 3467612160. Its totient is φ = 1112348160.

The previous prime is 2126263787. The next prime is 2126263849. The reversal of 2126263845 is 5483626212.

It is not a de Polignac number, because 2126263845 - 2⁶ = 2126263781 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126263849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163275 + ... + 175815.

It is an arithmetic number, because the mean of its divisors is an integer number (108362880).

Almost surely, 2^2126263845 is an apocalyptic number.

It is an amenable number.

2126263845 is a deficient number, since it is larger than the sum of its proper divisors (1341348315).

2126263845 is a wasteful number, since it uses less digits than its factorization.

2126263845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12765.

The product of its digits is 138240, while the sum is 39.

The square root of 2126263845 is about 46111.4285725350. The cubic root of 2126263845 is about 1285.8956233558.

The spelling of 2126263845 in words is "two billion, one hundred twenty-six million, two hundred sixty-three thousand, eight hundred forty-five".