21314982258 has 48 divisors (see below), whose sum is σ = 46900638720. Its totient is φ = 6995020032.

The previous prime is 21314982233. The next prime is 21314982259. The reversal of 21314982258 is 85228941312.

21314982258 is a `hidden beast` number, since 2 + 1 + 314 + 9 + 82 + 258 = 666.

It is not an unprimeable number, because it can be changed into a prime (21314982259) 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 23 ways as a sum of consecutive naturals, for example, 480735 + ... + 523197.

It is an arithmetic number, because the mean of its divisors is an integer number (977096640).

Almost surely, 2^21314982258 is an apocalyptic number.

21314982258 is an abundant number, since it is smaller than the sum of its proper divisors (25585656462).

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

21314982258 is a wasteful number, since it uses less digits than its factorization.

21314982258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42903 (or 42900 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The spelling of 21314982258 in words is "twenty-one billion, three hundred fourteen million, nine hundred eighty-two thousand, two hundred fifty-eight".