2563255198 has 16 divisors (see below), whose sum is σ = 4496342400. Its totient is φ = 1072990296.

The previous prime is 2563255193. The next prime is 2563255199. The reversal of 2563255198 is 8915523652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563255193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2128348 + ... + 2129551.

It is an arithmetic number, because the mean of its divisors is an integer number (281021400).

Almost surely, 2^2563255198 is an apocalyptic number.

2563255198 is a deficient number, since it is larger than the sum of its proper divisors (1933087202).

2563255198 is a wasteful number, since it uses less digits than its factorization.

2563255198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257951.

The product of its digits is 648000, while the sum is 46.

The square root of 2563255198 is about 50628.6005929455. The cubic root of 2563255198 is about 1368.5603357418.

The spelling of 2563255198 in words is "two billion, five hundred sixty-three million, two hundred fifty-five thousand, one hundred ninety-eight".