191950463 has 2 divisors, whose sum is σ = 191950464. Its totient is φ = 191950462.

The previous prime is 191950459. The next prime is 191950513. The reversal of 191950463 is 364059191.

It is a weak prime.

It is an emirp because it is prime and its reverse (364059191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 191950463 - 2² = 191950459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191950063) 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, 95975231 + 95975232.

It is an arithmetic number, because the mean of its divisors is an integer number (95975232).

Almost surely, 2^191950463 is an apocalyptic number.

191950463 is a deficient number, since it is larger than the sum of its proper divisors (1).

191950463 is an equidigital number, since it uses as much as digits as its factorization.

191950463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 191950463 is about 13854.6188327215. The cubic root of 191950463 is about 576.8502094686.

The spelling of 191950463 in words is "one hundred ninety-one million, nine hundred fifty thousand, four hundred sixty-three".