391266052483 has 2 divisors, whose sum is σ = 391266052484. Its totient is φ = 391266052482.

The previous prime is 391266052481. The next prime is 391266052487. The reversal of 391266052483 is 384250662193.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 391266052483 - 2¹ = 391266052481 is a prime.

Together with 391266052481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (391266052481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195633026241 + 195633026242.

It is an arithmetic number, because the mean of its divisors is an integer number (195633026242).

Almost surely, 2^391266052483 is an apocalyptic number.

391266052483 is a deficient number, since it is larger than the sum of its proper divisors (1).

391266052483 is an equidigital number, since it uses as much as digits as its factorization.

391266052483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 391266052483 in words is "three hundred ninety-one billion, two hundred sixty-six million, fifty-two thousand, four hundred eighty-three".