2054826643 has 4 divisors (see below), whose sum is σ = 2104944408. Its totient is φ = 2004708880.

The previous prime is 2054826637. The next prime is 2054826659. The reversal of 2054826643 is 3466284502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3466284502 = 2 ⋅1733142251.

It is a cyclic number.

It is not a de Polignac number, because 2054826643 - 2¹⁷ = 2054695571 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2054826596 and 2054826605.

It is not an unprimeable number, because it can be changed into a prime (2054826623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25058821 + ... + 25058902.

It is an arithmetic number, because the mean of its divisors is an integer number (526236102).

Almost surely, 2^2054826643 is an apocalyptic number.

2054826643 is a deficient number, since it is larger than the sum of its proper divisors (50117765).

2054826643 is an equidigital number, since it uses as much as digits as its factorization.

2054826643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50117764.

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 2054826643 is about 45330.1957088208. The cubic root of 2054826643 is about 1271.3302949444.

The spelling of 2054826643 in words is "two billion, fifty-four million, eight hundred twenty-six thousand, six hundred forty-three".