427645562959 has 2 divisors, whose sum is σ = 427645562960. Its totient is φ = 427645562958.

The previous prime is 427645562941. The next prime is 427645562963. The reversal of 427645562959 is 959265546724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427645562959 - 2¹³ = 427645554767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427645562959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427645562969) 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, 213822781479 + 213822781480.

It is an arithmetic number, because the mean of its divisors is an integer number (213822781480).

Almost surely, 2^427645562959 is an apocalyptic number.

427645562959 is a deficient number, since it is larger than the sum of its proper divisors (1).

427645562959 is an equidigital number, since it uses as much as digits as its factorization.

427645562959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296000, while the sum is 64.

The spelling of 427645562959 in words is "four hundred twenty-seven billion, six hundred forty-five million, five hundred sixty-two thousand, nine hundred fifty-nine".