213935851024 has 45 divisors (see below), whose sum is σ = 482203487727. Its totient is φ = 91681242912.

The previous prime is 213935851021. The next prime is 213935851057. The reversal of 213935851024 is 420158539312.

It is a happy number.

The square root of 213935851024 is 462532.

It is a perfect power (a square), and thus also a powerful number.

213935851024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213935851021) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12942637 + ... + 12959155.

Almost surely, 2^213935851024 is an apocalyptic number.

213935851024 is the 462532-nd square number.

It is an amenable number.

213935851024 is an abundant number, since it is smaller than the sum of its proper divisors (268267636703).

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

213935851024 is an frugal number, since it uses more digits than its factorization.

213935851024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33060 (or 16528 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 213935851024 in words is "two hundred thirteen billion, nine hundred thirty-five million, eight hundred fifty-one thousand, twenty-four".