194982298624 has 33 divisors (see below), whose sum is σ = 389802433447. Its totient is φ = 97484084224.

The previous prime is 194982298603. The next prime is 194982298649. The reversal of 194982298624 is 426892289491.

The square root of 194982298624 is 441568.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14123277 + ... + 14137075.

Almost surely, 2^194982298624 is an apocalyptic number.

194982298624 is the 441568-th square number.

It is an amenable number.

194982298624 is a deficient number, since it is larger than the sum of its proper divisors (194820134823).

194982298624 is an frugal number, since it uses more digits than its factorization.

194982298624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27618 (or 13801 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 64.

Multiplying 194982298624 by its sum of digits (64), we get a square (12478867111936 = 3532544²).

194982298624 divided by its sum of digits (64) gives a square (3046598416 = 55196²).

The spelling of 194982298624 in words is "one hundred ninety-four billion, nine hundred eighty-two million, two hundred ninety-eight thousand, six hundred twenty-four".