213422404242443 has 8 divisors (see below), whose sum is σ = 232839717366576. Its totient is φ = 194007637180800.

The previous prime is 213422404242427. The next prime is 213422404242493. The reversal of 213422404242443 is 344242404224312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213422404242443 - 2⁴ = 213422404242427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213422404242443.

It is not an unprimeable number, because it can be changed into a prime (213422404242413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636340346 + ... + 636675647.

It is an arithmetic number, because the mean of its divisors is an integer number (29104964670822).

Almost surely, 2^{213422404242443} is an apocalyptic number.

213422404242443 is a deficient number, since it is larger than the sum of its proper divisors (19417313124133).

213422404242443 is a wasteful number, since it uses less digits than its factorization.

213422404242443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273031245.

The product of its (nonzero) digits is 1179648, while the sum is 41.

Adding to 213422404242443 its reverse (344242404224312), we get a palindrome (557664808466755).

The spelling of 213422404242443 in words is "two hundred thirteen trillion, four hundred twenty-two billion, four hundred four million, two hundred forty-two thousand, four hundred forty-three".