918191829292 has 12 divisors (see below), whose sum is σ = 1701355448520. Its totient is φ = 432090272576.

The previous prime is 918191829283. The next prime is 918191829299. The reversal of 918191829292 is 292928191819.

It is a self number, because there is not a number n which added to its sum of digits gives 918191829292.

It is not an unprimeable number, because it can be changed into a prime (918191829299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6751410442 + ... + 6751410577.

It is an arithmetic number, because the mean of its divisors is an integer number (141779620710).

Almost surely, 2^918191829292 is an apocalyptic number.

It is an amenable number.

918191829292 is a deficient number, since it is larger than the sum of its proper divisors (783163619228).

918191829292 is a wasteful number, since it uses less digits than its factorization.

918191829292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13502821040 (or 13502821038 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 61.

The spelling of 918191829292 in words is "nine hundred eighteen billion, one hundred ninety-one million, eight hundred twenty-nine thousand, two hundred ninety-two".