191645483 has 2 divisors, whose sum is σ = 191645484. Its totient is φ = 191645482.

The previous prime is 191645449. The next prime is 191645491. The reversal of 191645483 is 384546191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 191645483 - 2²⁰ = 190596907 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 191645483.

It is not a weakly prime, because it can be changed into another prime (191645183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95822741 + 95822742.

It is an arithmetic number, because the mean of its divisors is an integer number (95822742).

Almost surely, 2^191645483 is an apocalyptic number.

191645483 is a deficient number, since it is larger than the sum of its proper divisors (1).

191645483 is an equidigital number, since it uses as much as digits as its factorization.

191645483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 191645483 is about 13843.6080195880. The cubic root of 191645483 is about 576.5445385322.

The spelling of 191645483 in words is "one hundred ninety-one million, six hundred forty-five thousand, four hundred eighty-three".