194475237442 has 8 divisors (see below), whose sum is σ = 291715721532. Its totient is φ = 97236663600.

The previous prime is 194475237419. The next prime is 194475237443. The reversal of 194475237442 is 244732574491.

It can be written as a sum of positive squares in 2 ways, for example, as 179351403001 + 15123834441 = 423499^2 + 122979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 194475237442.

It is not an unprimeable number, because it can be changed into a prime (194475237443) 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, 187909 + ... + 651352.

Almost surely, 2^194475237442 is an apocalyptic number.

194475237442 is a deficient number, since it is larger than the sum of its proper divisors (97240484090).

194475237442 is a wasteful number, since it uses less digits than its factorization.

194475237442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955124.

The product of its digits is 6773760, while the sum is 52.

The spelling of 194475237442 in words is "one hundred ninety-four billion, four hundred seventy-five million, two hundred thirty-seven thousand, four hundred forty-two".