194354241327801 has 63 divisors (see below), whose sum is σ = 292996534585213. Its totient is φ = 128862596852640.

The previous prime is 194354241327773. The next prime is 194354241327839. The reversal of 194354241327801 is 108723142453491.

The square root of 194354241327801 is 13941099.

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

194354241327801 is a `hidden beast` number, since 1 + 9 + 4 + 3 + 5 + 424 + 132 + 7 + 80 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 136745777007225 + 57608464320576 = 11693835^2 + 7590024^2 .

It is a de Polignac number, because none of the positive numbers 2^k-194354241327801 is a prime.

It is a super-2 number, since 2×194354241327801² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194354241327871) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 74152704271 + ... + 74152706891.

Almost surely, 2^{194354241327801} is an apocalyptic number.

194354241327801 is the 13941099-th square number.

194354241327801 is the 6970550-th centered octagonal number.

It is an amenable number.

194354241327801 is a deficient number, since it is larger than the sum of its proper divisors (98642293257412).

194354241327801 is an frugal number, since it uses more digits than its factorization.

194354241327801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654 (or 2821 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 194354241327801 in words is "one hundred ninety-four trillion, three hundred fifty-four billion, two hundred forty-one million, three hundred twenty-seven thousand, eight hundred one".