213043827963 has 4 divisors (see below), whose sum is σ = 284058437288. Its totient is φ = 142029218640.

The previous prime is 213043827929. The next prime is 213043827973. The reversal of 213043827963 is 369728340312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 213043827963 - 2⁸ = 213043827707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213043827973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35507304658 + ... + 35507304663.

It is an arithmetic number, because the mean of its divisors is an integer number (71014609322).

Almost surely, 2^213043827963 is an apocalyptic number.

213043827963 is a deficient number, since it is larger than the sum of its proper divisors (71014609325).

213043827963 is an equidigital number, since it uses as much as digits as its factorization.

213043827963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71014609324.

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 213043827963 in words is "two hundred thirteen billion, forty-three million, eight hundred twenty-seven thousand, nine hundred sixty-three".