718266422644 has 6 divisors (see below), whose sum is σ = 1256966239634. Its totient is φ = 359133211320.

The previous prime is 718266422591. The next prime is 718266422647. The reversal of 718266422644 is 446224662817.

718266422644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 689996035600 + 28270387044 = 830660^2 + 168138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 718266422591 and 718266422600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718266422647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89783302827 + ... + 89783302834.

Almost surely, 2^718266422644 is an apocalyptic number.

It is an amenable number.

718266422644 is a deficient number, since it is larger than the sum of its proper divisors (538699816990).

718266422644 is a wasteful number, since it uses less digits than its factorization.

718266422644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179566605665 (or 179566605663 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 52.

The spelling of 718266422644 in words is "seven hundred eighteen billion, two hundred sixty-six million, four hundred twenty-two thousand, six hundred forty-four".