722899713698 has 6 divisors (see below), whose sum is σ = 1084351374171. Its totient is φ = 361449255642.

The previous prime is 722899713691. The next prime is 722899713787. The reversal of 722899713698 is 896317998227.

It can be written as a sum of positive squares in only one way, i.e., 361449856849 + 361449856849 = 601207^2 + 601207^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=601207.

It is a super-3 number, since 3×722899713698³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722899713691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 901811 + ... + 1503017.

Almost surely, 2^722899713698 is an apocalyptic number.

722899713698 is a deficient number, since it is larger than the sum of its proper divisors (361451660473).

722899713698 is an frugal number, since it uses more digits than its factorization.

722899713698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202416 (or 601209 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 71.

The spelling of 722899713698 in words is "seven hundred twenty-two billion, eight hundred ninety-nine million, seven hundred thirteen thousand, six hundred ninety-eight".