194674487464 has 16 divisors (see below), whose sum is σ = 384225962400. Its totient is φ = 92214230832.

The previous prime is 194674487417. The next prime is 194674487477. The reversal of 194674487464 is 464784476491.

It is a junction number, because it is equal to n+sod(n) for n = 194674487396 and 194674487405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640376452 + ... + 640376755.

It is an arithmetic number, because the mean of its divisors is an integer number (24014122650).

Almost surely, 2^194674487464 is an apocalyptic number.

It is an amenable number.

194674487464 is a deficient number, since it is larger than the sum of its proper divisors (189551474936).

194674487464 is a wasteful number, since it uses less digits than its factorization.

194674487464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280753232 (or 1280753228 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 64.

The spelling of 194674487464 in words is "one hundred ninety-four billion, six hundred seventy-four million, four hundred eighty-seven thousand, four hundred sixty-four".