2056326403 has 16 divisors (see below), whose sum is σ = 2146176000. Its totient is φ = 1967822752.

The previous prime is 2056326373. The next prime is 2056326421. The reversal of 2056326403 is 3046236502.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2056326403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056320403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2486076 + ... + 2486902.

It is an arithmetic number, because the mean of its divisors is an integer number (134136000).

Almost surely, 2^2056326403 is an apocalyptic number.

2056326403 is a deficient number, since it is larger than the sum of its proper divisors (89849597).

2056326403 is a wasteful number, since it uses less digits than its factorization.

2056326403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 2056326403 is about 45346.7353069656. The cubic root of 2056326403 is about 1271.6395224304.

The spelling of 2056326403 in words is "two billion, fifty-six million, three hundred twenty-six thousand, four hundred three".