73139488194 has 8 divisors (see below), whose sum is σ = 146278976400. Its totient is φ = 24379829396.

The previous prime is 73139488189. The next prime is 73139488207. The reversal of 73139488194 is 49188493137.

It is a happy number.

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

73139488194 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6094957344 + ... + 6094957355.

It is an arithmetic number, because the mean of its divisors is an integer number (18284872050).

Almost surely, 2^73139488194 is an apocalyptic number.

73139488194 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73139488194 is a wasteful number, since it uses less digits than its factorization.

73139488194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189914704.

The product of its digits is 5225472, while the sum is 57.

The spelling of 73139488194 in words is "seventy-three billion, one hundred thirty-nine million, four hundred eighty-eight thousand, one hundred ninety-four".