194269889272 has 16 divisors (see below), whose sum is σ = 364262250240. Its totient is φ = 97133289216.

The previous prime is 194269889257. The next prime is 194269889273. The reversal of 194269889272 is 272988962491.

It is a junction number, because it is equal to n+sod(n) for n = 194269889198 and 194269889207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194269889273) 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, 394728 + ... + 737800.

It is an arithmetic number, because the mean of its divisors is an integer number (22766390640).

Almost surely, 2^194269889272 is an apocalyptic number.

It is an amenable number.

194269889272 is a deficient number, since it is larger than the sum of its proper divisors (169992360968).

194269889272 is a wasteful number, since it uses less digits than its factorization.

194269889272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413862 (or 413858 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 67.

The spelling of 194269889272 in words is "one hundred ninety-four billion, two hundred sixty-nine million, eight hundred eighty-nine thousand, two hundred seventy-two".