70442632213 has 4 divisors (see below), whose sum is σ = 70449128908. Its totient is φ = 70436135520.

The previous prime is 70442632193. The next prime is 70442632237. The reversal of 70442632213 is 31223624407.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48021463044 + 22421169169 = 219138^2 + 149737^2 .

It is a cyclic number.

It is not a de Polignac number, because 70442632213 - 2⁵ = 70442632181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70442632313) 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, 3232056 + ... + 3253777.

It is an arithmetic number, because the mean of its divisors is an integer number (17612282227).

Almost surely, 2^70442632213 is an apocalyptic number.

It is an amenable number.

70442632213 is a deficient number, since it is larger than the sum of its proper divisors (6496695).

70442632213 is a wasteful number, since it uses less digits than its factorization.

70442632213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496694.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 70442632213 in words is "seventy billion, four hundred forty-two million, six hundred thirty-two thousand, two hundred thirteen".