2056253646 has 16 divisors (see below), whose sum is σ = 4112959824. Its totient is φ = 685342464.

The previous prime is 2056253621. The next prime is 2056253699. The reversal of 2056253646 is 6463526502.

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 in 7 ways as a sum of consecutive naturals, for example, 80446 + ... + 102878.

It is an arithmetic number, because the mean of its divisors is an integer number (257059989).

Almost surely, 2^2056253646 is an apocalyptic number.

2056253646 is an abundant number, since it is smaller than the sum of its proper divisors (2056706178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2056253646 is a wasteful number, since it uses less digits than its factorization.

2056253646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37715.

The product of its (nonzero) digits is 259200, while the sum is 39.

The square root of 2056253646 is about 45345.9330701222. The cubic root of 2056253646 is about 1271.6245245248.

The spelling of 2056253646 in words is "two billion, fifty-six million, two hundred fifty-three thousand, six hundred forty-six".