722459016427 has 2 divisors, whose sum is σ = 722459016428. Its totient is φ = 722459016426.

The previous prime is 722459016403. The next prime is 722459016463. The reversal of 722459016427 is 724610954227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722459016427 - 2¹⁹ = 722458492139 is a prime.

It is not a weakly prime, because it can be changed into another prime (722459019427) 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, 361229508213 + 361229508214.

It is an arithmetic number, because the mean of its divisors is an integer number (361229508214).

Almost surely, 2^722459016427 is an apocalyptic number.

722459016427 is a deficient number, since it is larger than the sum of its proper divisors (1).

722459016427 is an equidigital number, since it uses as much as digits as its factorization.

722459016427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 722459016427 in words is "seven hundred twenty-two billion, four hundred fifty-nine million, sixteen thousand, four hundred twenty-seven".