194482621468 has 48 divisors (see below), whose sum is σ = 374874544800. Its totient is φ = 87871508480.

The previous prime is 194482621453. The next prime is 194482621469. The reversal of 194482621468 is 864126284491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194482621469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77508 + ... + 628468.

It is an arithmetic number, because the mean of its divisors is an integer number (7809886350).

Almost surely, 2^194482621468 is an apocalyptic number.

It is an amenable number.

194482621468 is a deficient number, since it is larger than the sum of its proper divisors (180391923332).

194482621468 is a wasteful number, since it uses less digits than its factorization.

194482621468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551190 (or 551188 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 55.

The spelling of 194482621468 in words is "one hundred ninety-four billion, four hundred eighty-two million, six hundred twenty-one thousand, four hundred sixty-eight".