213328954536 has 32 divisors (see below), whose sum is σ = 542065380000. Its totient is φ = 69943919040.

The previous prime is 213328954513. The next prime is 213328954543. The reversal of 213328954536 is 635459823312.

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, 72856786 + ... + 72859713.

It is an arithmetic number, because the mean of its divisors is an integer number (16939543125).

Almost surely, 2^213328954536 is an apocalyptic number.

It is an amenable number.

213328954536 is an abundant number, since it is smaller than the sum of its proper divisors (328736425464).

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

213328954536 is a wasteful number, since it uses less digits than its factorization.

213328954536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145716569 (or 145716565 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 51.

The spelling of 213328954536 in words is "two hundred thirteen billion, three hundred twenty-eight million, nine hundred fifty-four thousand, five hundred thirty-six".