19041537241 has 2 divisors, whose sum is σ = 19041537242. Its totient is φ = 19041537240.

The previous prime is 19041537223. The next prime is 19041537253. The reversal of 19041537241 is 14273514091.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18334243216 + 707294025 = 135404^2 + 26595^2 .

It is an emirp because it is prime and its reverse (14273514091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19041537241 - 2¹⁵ = 19041504473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19041537241.

It is not a weakly prime, because it can be changed into another prime (19041537041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9520768620 + 9520768621.

It is an arithmetic number, because the mean of its divisors is an integer number (9520768621).

Almost surely, 2^19041537241 is an apocalyptic number.

It is an amenable number.

19041537241 is a deficient number, since it is larger than the sum of its proper divisors (1).

19041537241 is an equidigital number, since it uses as much as digits as its factorization.

19041537241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 19041537241 in words is "nineteen billion, forty-one million, five hundred thirty-seven thousand, two hundred forty-one".