2056123486 has 4 divisors (see below), whose sum is σ = 3084185232. Its totient is φ = 1028061742.

The previous prime is 2056123457. The next prime is 2056123507. The reversal of 2056123486 is 6843216502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6843216502 = 2 ⋅3421608251.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514030870 + ... + 514030873.

It is an arithmetic number, because the mean of its divisors is an integer number (771046308).

Almost surely, 2^2056123486 is an apocalyptic number.

2056123486 is a deficient number, since it is larger than the sum of its proper divisors (1028061746).

2056123486 is a wasteful number, since it uses less digits than its factorization.

2056123486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028061745.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 2056123486 is about 45344.4978580643. The cubic root of 2056123486 is about 1271.5976928576.

Adding to 2056123486 its reverse (6843216502), we get a palindrome (8899339988).

The spelling of 2056123486 in words is "two billion, fifty-six million, one hundred twenty-three thousand, four hundred eighty-six".