194004727959364 has 81 divisors (see below), whose sum is σ = 416826389002527. Its totient is φ = 78767332631568.

The previous prime is 194004727959247. The next prime is 194004727959377. The reversal of 194004727959364 is 463959727400491.

It is a happy number.

The square root of 194004727959364 is 13928558.

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

It is a junction number, because it is equal to n+sod(n) for n = 194004727959293 and 194004727959302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3704970247 + ... + 3705022609.

Almost surely, 2^{194004727959364} is an apocalyptic number.

194004727959364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

194004727959364 is the 13928558-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194004727959364

194004727959364 is an abundant number, since it is smaller than the sum of its proper divisors (222821661043163).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194004727959364 is an frugal number, since it uses more digits than its factorization.

194004727959364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104782 (or 52391 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 70.

The spelling of 194004727959364 in words is "one hundred ninety-four trillion, four billion, seven hundred twenty-seven million, nine hundred fifty-nine thousand, three hundred sixty-four".