2056290605 has 32 divisors (see below), whose sum is σ = 2592522240. Its totient is φ = 1563831360.

The previous prime is 2056290601. The next prime is 2056290619. The reversal of 2056290605 is 5060926502.

It is not a de Polignac number, because 2056290605 - 2² = 2056290601 is a prime.

It is a super-2 number, since 2×2056290605² = 8456662104422532050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056290601) 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 31 ways as a sum of consecutive naturals, for example, 3758942 + ... + 3759488.

It is an arithmetic number, because the mean of its divisors is an integer number (81016320).

Almost surely, 2^2056290605 is an apocalyptic number.

It is an amenable number.

2056290605 is a deficient number, since it is larger than the sum of its proper divisors (536231635).

2056290605 is a wasteful number, since it uses less digits than its factorization.

2056290605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2056290605 is about 45346.3405910554. The cubic root of 2056290605 is about 1271.6321431843.

The spelling of 2056290605 in words is "two billion, fifty-six million, two hundred ninety thousand, six hundred five".