427488864091 has 2 divisors, whose sum is σ = 427488864092. Its totient is φ = 427488864090.

The previous prime is 427488864037. The next prime is 427488864097. The reversal of 427488864091 is 190468884724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427488864091 - 2⁹ = 427488863579 is a prime.

It is not a weakly prime, because it can be changed into another prime (427488864097) 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, 213744432045 + 213744432046.

It is an arithmetic number, because the mean of its divisors is an integer number (213744432046).

Almost surely, 2^427488864091 is an apocalyptic number.

427488864091 is a deficient number, since it is larger than the sum of its proper divisors (1).

427488864091 is an equidigital number, since it uses as much as digits as its factorization.

427488864091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 427488864091 in words is "four hundred twenty-seven billion, four hundred eighty-eight million, eight hundred sixty-four thousand, ninety-one".