194829476728 has 32 divisors (see below), whose sum is σ = 374700348000. Its totient is φ = 94938687360.

The previous prime is 194829476713. The next prime is 194829476729. The reversal of 194829476728 is 827674928491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194829476729) by changing a digit.

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, 1778188 + ... + 1884571.

It is an arithmetic number, because the mean of its divisors is an integer number (11709385875).

Almost surely, 2^194829476728 is an apocalyptic number.

It is an amenable number.

194829476728 is a deficient number, since it is larger than the sum of its proper divisors (179870871272).

194829476728 is a wasteful number, since it uses less digits than its factorization.

194829476728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662935 (or 3662931 counting only the distinct ones).

The product of its digits is 97542144, while the sum is 67.

The spelling of 194829476728 in words is "one hundred ninety-four billion, eight hundred twenty-nine million, four hundred seventy-six thousand, seven hundred twenty-eight".