190958105243 has 2 divisors, whose sum is σ = 190958105244. Its totient is φ = 190958105242.

The previous prime is 190958105171. The next prime is 190958105269. The reversal of 190958105243 is 342501859091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190958105243 - 2¹⁶ = 190958039707 is a prime.

It is not a weakly prime, because it can be changed into another prime (190958105543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95479052621 + 95479052622.

It is an arithmetic number, because the mean of its divisors is an integer number (95479052622).

Almost surely, 2^190958105243 is an apocalyptic number.

190958105243 is a deficient number, since it is larger than the sum of its proper divisors (1).

190958105243 is an equidigital number, since it uses as much as digits as its factorization.

190958105243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 190958105243 in words is "one hundred ninety billion, nine hundred fifty-eight million, one hundred five thousand, two hundred forty-three".