2562643853 has 16 divisors (see below), whose sum is σ = 3196195200. Its totient is φ = 1996108800.

The previous prime is 2562643847. The next prime is 2562643871. The reversal of 2562643853 is 3583462652.

It is not a de Polignac number, because 2562643853 - 2²⁶ = 2495534989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2562643813) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 285173 + ... + 294021.

It is an arithmetic number, because the mean of its divisors is an integer number (199762200).

Almost surely, 2^2562643853 is an apocalyptic number.

It is an amenable number.

2562643853 is a deficient number, since it is larger than the sum of its proper divisors (633551347).

2562643853 is a wasteful number, since it uses less digits than its factorization.

2562643853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12628.

The product of its digits is 1036800, while the sum is 44.

The square root of 2562643853 is about 50622.5626870075. The cubic root of 2562643853 is about 1368.4515250073.

The spelling of 2562643853 in words is "two billion, five hundred sixty-two million, six hundred forty-three thousand, eight hundred fifty-three".