718092969642 has 12 divisors (see below), whose sum is σ = 1555868100930. Its totient is φ = 239364323208.

The previous prime is 718092969569. The next prime is 718092969661. The reversal of 718092969642 is 246969290817.

718092969642 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., 388638781281 + 329454188361 = 623409^2 + 573981^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 718092969642.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19947026917 + ... + 19947026952.

Almost surely, 2^718092969642 is an apocalyptic number.

718092969642 is an abundant number, since it is smaller than the sum of its proper divisors (837775131288).

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

718092969642 is a wasteful number, since it uses less digits than its factorization.

718092969642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39894053877 (or 39894053874 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 718092969642 in words is "seven hundred eighteen billion, ninety-two million, nine hundred sixty-nine thousand, six hundred forty-two".