722007061609 has 2 divisors, whose sum is σ = 722007061610. Its totient is φ = 722007061608.

The previous prime is 722007061543. The next prime is 722007061637. The reversal of 722007061609 is 906160700227.

722007061609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495052960000 + 226954101609 = 703600^2 + 476397^2 .

It is a cyclic number.

It is not a de Polignac number, because 722007061609 - 2²⁹ = 721470190697 is a prime.

It is not a weakly prime, because it can be changed into another prime (722007064609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361003530804 + 361003530805.

It is an arithmetic number, because the mean of its divisors is an integer number (361003530805).

Almost surely, 2^722007061609 is an apocalyptic number.

It is an amenable number.

722007061609 is a deficient number, since it is larger than the sum of its proper divisors (1).

722007061609 is an equidigital number, since it uses as much as digits as its factorization.

722007061609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 722007061609 in words is "seven hundred twenty-two billion, seven million, sixty-one thousand, six hundred nine".