722913909163 has 2 divisors, whose sum is σ = 722913909164. Its totient is φ = 722913909162.

The previous prime is 722913909119. The next prime is 722913909209. The reversal of 722913909163 is 361909319227.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (361909319227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722913909163 - 2¹³ = 722913900971 is a prime.

It is a super-3 number, since 3×722913909163³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 722913909163.

It is not a weakly prime, because it can be changed into another prime (722913919163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361456954581 + 361456954582.

It is an arithmetic number, because the mean of its divisors is an integer number (361456954582).

Almost surely, 2^722913909163 is an apocalyptic number.

722913909163 is a deficient number, since it is larger than the sum of its proper divisors (1).

722913909163 is an equidigital number, since it uses as much as digits as its factorization.

722913909163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 52.

The spelling of 722913909163 in words is "seven hundred twenty-two billion, nine hundred thirteen million, nine hundred nine thousand, one hundred sixty-three".