213586475368 has 32 divisors (see below), whose sum is σ = 465442689600. Its totient is φ = 89985583872.

The previous prime is 213586475357. The next prime is 213586475381. The reversal of 213586475368 is 863574685312.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32319105 + ... + 32325712.

It is an arithmetic number, because the mean of its divisors is an integer number (14545084050).

Almost surely, 2^213586475368 is an apocalyptic number.

213586475368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

213586475368 is an abundant number, since it is smaller than the sum of its proper divisors (251856214232).

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

213586475368 is a wasteful number, since it uses less digits than its factorization.

213586475368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64644889 (or 64644885 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 58.

The spelling of 213586475368 in words is "two hundred thirteen billion, five hundred eighty-six million, four hundred seventy-five thousand, three hundred sixty-eight".