194631851241 has 15 divisors (see below), whose sum is σ = 290752277101. Its totient is φ = 129751920468.

The previous prime is 194631851189. The next prime is 194631851257. The reversal of 194631851241 is 142158136491.

The square root of 194631851241 is 441171.

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

194631851241 is a `hidden beast` number, since 1 + 9 + 4 + 631 + 8 + 5 + 1 + 2 + 4 + 1 = 666.

It is not a de Polignac number, because 194631851241 - 2²⁹ = 194094980329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194631851341) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3946030 + ... + 3995048.

Almost surely, 2^194631851241 is an apocalyptic number.

194631851241 is the 441171-st square number.

194631851241 is the 220586-th centered octagonal number.

It is an amenable number.

194631851241 is a deficient number, since it is larger than the sum of its proper divisors (96120425860).

194631851241 is an frugal number, since it uses more digits than its factorization.

194631851241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98050 (or 49022 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The spelling of 194631851241 in words is "one hundred ninety-four billion, six hundred thirty-one million, eight hundred fifty-one thousand, two hundred forty-one".