919475272867 has 2 divisors, whose sum is σ = 919475272868. Its totient is φ = 919475272866.

The previous prime is 919475272861. The next prime is 919475272931. The reversal of 919475272867 is 768272574919.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 919475272867 - 2¹⁹ = 919474748579 is a prime.

It is not a weakly prime, because it can be changed into another prime (919475272861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459737636433 + 459737636434.

It is an arithmetic number, because the mean of its divisors is an integer number (459737636434).

Almost surely, 2^919475272867 is an apocalyptic number.

919475272867 is a deficient number, since it is larger than the sum of its proper divisors (1).

919475272867 is an equidigital number, since it uses as much as digits as its factorization.

919475272867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 106686720, while the sum is 67.

The spelling of 919475272867 in words is "nine hundred nineteen billion, four hundred seventy-five million, two hundred seventy-two thousand, eight hundred sixty-seven".