199619344226241 has 27 divisors (see below), whose sum is σ = 293312662146049. Its totient is φ = 130822338081192.

The previous prime is 199619344226201. The next prime is 199619344226261. The reversal of 199619344226241 is 142622443916991.

The square root of 199619344226241 is 14128671.

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

199619344226241 is a `hidden beast` number, since 1 + 9 + 9 + 6 + 1 + 93 + 442 + 2 + 62 + 41 = 666.

It is not a de Polignac number, because 199619344226241 - 2⁹ = 199619344225729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199619344226201) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2500734856 + ... + 2500814678.

Almost surely, 2^{199619344226241} is an apocalyptic number.

199619344226241 is the 14128671-st square number.

199619344226241 is the 7064336-th centered octagonal number.

It is an amenable number.

199619344226241 is a deficient number, since it is larger than the sum of its proper divisors (93693317919808).

199619344226241 is an frugal number, since it uses more digits than its factorization.

199619344226241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159770 (or 79885 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 63.

The spelling of 199619344226241 in words is "one hundred ninety-nine trillion, six hundred nineteen billion, three hundred forty-four million, two hundred twenty-six thousand, two hundred forty-one".