191152963 has 2 divisors, whose sum is σ = 191152964. Its totient is φ = 191152962.

The previous prime is 191152961. The next prime is 191153003. The reversal of 191152963 is 369251191.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 191152963 - 2¹ = 191152961 is a prime.

Together with 191152961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (191152961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95576481 + 95576482.

It is an arithmetic number, because the mean of its divisors is an integer number (95576482).

Almost surely, 2^191152963 is an apocalyptic number.

191152963 is a deficient number, since it is larger than the sum of its proper divisors (1).

191152963 is an equidigital number, since it uses as much as digits as its factorization.

191152963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 37.

The square root of 191152963 is about 13825.8078606641. The cubic root of 191152963 is about 576.0502172573.

The spelling of 191152963 in words is "one hundred ninety-one million, one hundred fifty-two thousand, nine hundred sixty-three".