193072205819 has 2 divisors, whose sum is σ = 193072205820. Its totient is φ = 193072205818.

The previous prime is 193072205791. The next prime is 193072205827. The reversal of 193072205819 is 918502270391.

It is a happy number.

193072205819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (918502270391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193072205819 - 2¹² = 193072201723 is a prime.

It is a super-2 number, since 2×193072205819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (193072205839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96536102909 + 96536102910.

It is an arithmetic number, because the mean of its divisors is an integer number (96536102910).

Almost surely, 2^193072205819 is an apocalyptic number.

193072205819 is a deficient number, since it is larger than the sum of its proper divisors (1).

193072205819 is an equidigital number, since it uses as much as digits as its factorization.

193072205819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 193072205819 in words is "one hundred ninety-three billion, seventy-two million, two hundred five thousand, eight hundred nineteen".