213434422239 has 4 divisors (see below), whose sum is σ = 284579229656. Its totient is φ = 142289614824.

The previous prime is 213434422237. The next prime is 213434422249. The reversal of 213434422239 is 932224434312.

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

It is not a de Polignac number, because 213434422239 - 2¹ = 213434422237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213434422197 and 213434422206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213434422237) 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, 35572403704 + ... + 35572403709.

It is an arithmetic number, because the mean of its divisors is an integer number (71144807414).

Almost surely, 2^213434422239 is an apocalyptic number.

213434422239 is a deficient number, since it is larger than the sum of its proper divisors (71144807417).

213434422239 is an equidigital number, since it uses as much as digits as its factorization.

213434422239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71144807416.

The product of its digits is 248832, while the sum is 39.

The spelling of 213434422239 in words is "two hundred thirteen billion, four hundred thirty-four million, four hundred twenty-two thousand, two hundred thirty-nine".