718421706063 has 12 divisors (see below), whose sum is σ = 1040196906840. Its totient is φ = 477804728016.

The previous prime is 718421706059. The next prime is 718421706071. The reversal of 718421706063 is 360607124817.

718421706063 is a `hidden beast` number, since 7 + 18 + 4 + 21 + 7 + 0 + 606 + 3 = 666.

It is not a de Polignac number, because 718421706063 - 2² = 718421706059 is a prime.

It is a super-2 number, since 2×718421706063² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718421706043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95252356 + ... + 95259897.

It is an arithmetic number, because the mean of its divisors is an integer number (86683075570).

Almost surely, 2^718421706063 is an apocalyptic number.

718421706063 is a deficient number, since it is larger than the sum of its proper divisors (321775200777).

718421706063 is a wasteful number, since it uses less digits than its factorization.

718421706063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190512678 (or 190512675 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 718421706063 in words is "seven hundred eighteen billion, four hundred twenty-one million, seven hundred six thousand, sixty-three".