19056195241 has 2 divisors, whose sum is σ = 19056195242. Its totient is φ = 19056195240.

The previous prime is 19056195239. The next prime is 19056195247. The reversal of 19056195241 is 14259165091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13594394025 + 5461801216 = 116595^2 + 73904^2 .

It is a cyclic number.

It is not a de Polignac number, because 19056195241 - 2¹ = 19056195239 is a prime.

It is a super-2 number, since 2×19056195241² (a number of 21 digits) contains 22 as substring.

Together with 19056195239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (19056195247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9528097620 + 9528097621.

It is an arithmetic number, because the mean of its divisors is an integer number (9528097621).

Almost surely, 2^19056195241 is an apocalyptic number.

It is an amenable number.

19056195241 is a deficient number, since it is larger than the sum of its proper divisors (1).

19056195241 is an equidigital number, since it uses as much as digits as its factorization.

19056195241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 43.

The spelling of 19056195241 in words is "nineteen billion, fifty-six million, one hundred ninety-five thousand, two hundred forty-one".