722007028789 has 2 divisors, whose sum is σ = 722007028790. Its totient is φ = 722007028788.

The previous prime is 722007028783. The next prime is 722007028823. The reversal of 722007028789 is 987820700227.

It is a happy number.

722007028789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615035514564 + 106971514225 = 784242^2 + 327065^2 .

It is a cyclic number.

It is not a de Polignac number, because 722007028789 - 2⁷ = 722007028661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722007028783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361003514394 + 361003514395.

It is an arithmetic number, because the mean of its divisors is an integer number (361003514395).

Almost surely, 2^722007028789 is an apocalyptic number.

It is an amenable number.

722007028789 is a deficient number, since it is larger than the sum of its proper divisors (1).

722007028789 is an equidigital number, since it uses as much as digits as its factorization.

722007028789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 722007028789 in words is "seven hundred twenty-two billion, seven million, twenty-eight thousand, seven hundred eighty-nine".