85813189342 has 4 divisors (see below), whose sum is σ = 128719784016. Its totient is φ = 42906594670.

The previous prime is 85813189321. The next prime is 85813189387. The reversal of 85813189342 is 24398131858.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 85813189342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21453297334 + ... + 21453297337.

It is an arithmetic number, because the mean of its divisors is an integer number (32179946004).

Almost surely, 2^85813189342 is an apocalyptic number.

85813189342 is a deficient number, since it is larger than the sum of its proper divisors (42906594674).

85813189342 is a wasteful number, since it uses less digits than its factorization.

85813189342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42906594673.

The product of its digits is 1658880, while the sum is 52.

The spelling of 85813189342 in words is "eighty-five billion, eight hundred thirteen million, one hundred eighty-nine thousand, three hundred forty-two".