194334072038 has 4 divisors (see below), whose sum is σ = 291501108060. Its totient is φ = 97167036018.

The previous prime is 194334072001. The next prime is 194334072047. The reversal of 194334072038 is 830270433491.

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 194334072038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48583518008 + ... + 48583518011.

It is an arithmetic number, because the mean of its divisors is an integer number (72875277015).

Almost surely, 2^194334072038 is an apocalyptic number.

194334072038 is a deficient number, since it is larger than the sum of its proper divisors (97167036022).

194334072038 is an equidigital number, since it uses as much as digits as its factorization.

194334072038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97167036021.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 194334072038 in words is "one hundred ninety-four billion, three hundred thirty-four million, seventy-two thousand, thirty-eight".