2534618866 has 16 divisors (see below), whose sum is σ = 4095217728. Its totient is φ = 1169586000.

The previous prime is 2534618851. The next prime is 2534618873. The reversal of 2534618866 is 6688164352.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227281 + ... + 238171.

It is an arithmetic number, because the mean of its divisors is an integer number (255951108).

Almost surely, 2^2534618866 is an apocalyptic number.

2534618866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2534618866 is a deficient number, since it is larger than the sum of its proper divisors (1560598862).

2534618866 is a wasteful number, since it uses less digits than its factorization.

2534618866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19857.

The product of its digits is 1658880, while the sum is 49.

The square root of 2534618866 is about 50344.9984208958. The cubic root of 2534618866 is about 1363.4447826001. Note that the first 3 decimals are identical.

The spelling of 2534618866 in words is "two billion, five hundred thirty-four million, six hundred eighteen thousand, eight hundred sixty-six".