213043865796 has 48 divisors (see below), whose sum is σ = 552450292800. Its totient is φ = 70999920576.

The previous prime is 213043865759. The next prime is 213043865807. The reversal of 213043865796 is 697568340312.

213043865796 is a `hidden beast` number, since 2 + 1 + 30 + 4 + 38 + 6 + 579 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326271 + ... + 729753.

It is an arithmetic number, because the mean of its divisors is an integer number (11509381100).

It is a 2-persistent number, because it is pandigital, and so is 2⋅213043865796 = 426087731592, but 3⋅213043865796 = 639131597388 is not.

Almost surely, 2^213043865796 is an apocalyptic number.

It is an amenable number.

213043865796 is an abundant number, since it is smaller than the sum of its proper divisors (339406427004).

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

213043865796 is a wasteful number, since it uses less digits than its factorization.

213043865796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408385 (or 408377 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 213043865796 in words is "two hundred thirteen billion, forty-three million, eight hundred sixty-five thousand, seven hundred ninety-six".