194731653548 has 12 divisors (see below), whose sum is σ = 341379308760. Its totient is φ = 97194708192.

The previous prime is 194731653541. The next prime is 194731653553. The reversal of 194731653548 is 845356137491.

It is a junction number, because it is equal to n+sod(n) for n = 194731653493 and 194731653502.

It is not an unprimeable number, because it can be changed into a prime (194731653541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42777086 + ... + 42781637.

It is an arithmetic number, because the mean of its divisors is an integer number (28448275730).

Almost surely, 2^194731653548 is an apocalyptic number.

It is an amenable number.

194731653548 is a deficient number, since it is larger than the sum of its proper divisors (146647655212).

194731653548 is a wasteful number, since it uses less digits than its factorization.

194731653548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85559296 (or 85559294 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 56.

The spelling of 194731653548 in words is "one hundred ninety-four billion, seven hundred thirty-one million, six hundred fifty-three thousand, five hundred forty-eight".