427322573626321 has 12 divisors (see below), whose sum is σ = 436208066660352. Its totient is φ = 418591273378824.

The previous prime is 427322573626301. The next prime is 427322573626349. The reversal of 427322573626321 is 123626375223724.

It is not a de Polignac number, because 427322573626321 - 2³⁹ = 426772817812433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427322573626301) 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 in 11 ways as a sum of consecutive naturals, for example, 268775145 + ... + 270360358.

It is an arithmetic number, because the mean of its divisors is an integer number (36350672221696).

Almost surely, 2^{427322573626321} is an apocalyptic number.

It is an amenable number.

427322573626321 is a deficient number, since it is larger than the sum of its proper divisors (8885493034031).

427322573626321 is an equidigital number, since it uses as much as digits as its factorization.

427322573626321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539135788 (or 539135709 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 55.

The spelling of 427322573626321 in words is "four hundred twenty-seven trillion, three hundred twenty-two billion, five hundred seventy-three million, six hundred twenty-six thousand, three hundred twenty-one".