194494123604 has 24 divisors (see below), whose sum is σ = 371400895488. Its totient is φ = 88384055040.

The previous prime is 194494123567. The next prime is 194494123613. The reversal of 194494123604 is 406321494491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382589 + ... + 731684.

It is an arithmetic number, because the mean of its divisors is an integer number (15475037312).

Almost surely, 2^194494123604 is an apocalyptic number.

It is an amenable number.

194494123604 is a deficient number, since it is larger than the sum of its proper divisors (176906771884).

194494123604 is a wasteful number, since it uses less digits than its factorization.

194494123604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118255 (or 1118253 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 194494123604 in words is "one hundred ninety-four billion, four hundred ninety-four million, one hundred twenty-three thousand, six hundred four".