194989017345044 has 24 divisors (see below), whose sum is σ = 383456662874880. Its totient is φ = 86082107991264.

The previous prime is 194989017344999. The next prime is 194989017345097. The reversal of 194989017345044 is 440543710989491.

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 in 7 ways as a sum of consecutive naturals, for example, 81517146524 + ... + 81517148915.

It is an arithmetic number, because the mean of its divisors is an integer number (15977360953120).

Almost surely, 2^{194989017345044} is an apocalyptic number.

It is an amenable number.

194989017345044 is a deficient number, since it is larger than the sum of its proper divisors (188467645529836).

194989017345044 is a wasteful number, since it uses less digits than its factorization.

194989017345044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163034295479 (or 163034295477 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 68.

The spelling of 194989017345044 in words is "one hundred ninety-four trillion, nine hundred eighty-nine billion, seventeen million, three hundred forty-five thousand, forty-four".