189842441753 has 2 divisors, whose sum is σ = 189842441754. Its totient is φ = 189842441752.

The previous prime is 189842441741. The next prime is 189842441777. The reversal of 189842441753 is 357144248981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142225528384 + 47616913369 = 377128^2 + 218213^2 .

It is a cyclic number.

It is not a de Polignac number, because 189842441753 - 2²² = 189838247449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (189842441053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94921220876 + 94921220877.

It is an arithmetic number, because the mean of its divisors is an integer number (94921220877).

Almost surely, 2^189842441753 is an apocalyptic number.

It is an amenable number.

189842441753 is a deficient number, since it is larger than the sum of its proper divisors (1).

189842441753 is an equidigital number, since it uses as much as digits as its factorization.

189842441753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 56.

The spelling of 189842441753 in words is "one hundred eighty-nine billion, eight hundred forty-two million, four hundred forty-one thousand, seven hundred fifty-three".