2126976443 has 4 divisors (see below), whose sum is σ = 2167108128. Its totient is φ = 2086844760.

The previous prime is 2126976421. The next prime is 2126976463. The reversal of 2126976443 is 3446796212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2126976443 - 2¹⁸ = 2126714299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2126976394 and 2126976403.

It is not an unprimeable number, because it can be changed into a prime (2126976463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20065763 + ... + 20065868.

It is an arithmetic number, because the mean of its divisors is an integer number (541777032).

Almost surely, 2^2126976443 is an apocalyptic number.

2126976443 is a deficient number, since it is larger than the sum of its proper divisors (40131685).

2126976443 is an equidigital number, since it uses as much as digits as its factorization.

2126976443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40131684.

The product of its digits is 435456, while the sum is 44.

The square root of 2126976443 is about 46119.1548383099. The cubic root of 2126976443 is about 1286.0392593874.

The spelling of 2126976443 in words is "two billion, one hundred twenty-six million, nine hundred seventy-six thousand, four hundred forty-three".