191025828467 has 2 divisors, whose sum is σ = 191025828468. Its totient is φ = 191025828466.

The previous prime is 191025828431. The next prime is 191025828479. The reversal of 191025828467 is 764828520191.

191025828467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 191025828467 - 2⁸ = 191025828211 is a prime.

It is not a weakly prime, because it can be changed into another prime (191025828067) 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, 95512914233 + 95512914234.

It is an arithmetic number, because the mean of its divisors is an integer number (95512914234).

Almost surely, 2^191025828467 is an apocalyptic number.

191025828467 is a deficient number, since it is larger than the sum of its proper divisors (1).

191025828467 is an equidigital number, since it uses as much as digits as its factorization.

191025828467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 191025828467 in words is "one hundred ninety-one billion, twenty-five million, eight hundred twenty-eight thousand, four hundred sixty-seven".