718869669012 has 96 divisors (see below), whose sum is σ = 2034710294400. Its totient is φ = 217673913600.

The previous prime is 718869668963. The next prime is 718869669103. The reversal of 718869669012 is 210966968817.

It is a super-2 number, since 2×718869669012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1340314 + ... + 1798382.

It is an arithmetic number, because the mean of its divisors is an integer number (21194898900).

Almost surely, 2^718869669012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718869669012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017355147200).

718869669012 is an abundant number, since it is smaller than the sum of its proper divisors (1315840625388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

718869669012 is a wasteful number, since it uses less digits than its factorization.

718869669012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459414 (or 459406 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 718869669012 in words is "seven hundred eighteen billion, eight hundred sixty-nine million, six hundred sixty-nine thousand, twelve".