393368421092 has 6 divisors (see below), whose sum is σ = 688394736918. Its totient is φ = 196684210544.

The previous prime is 393368421041. The next prime is 393368421163. The reversal of 393368421092 is 290124863393.

It can be written as a sum of positive squares in only one way, i.e., 210649789156 + 182718631936 = 458966^2 + 427456^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 393368421092.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49171052633 + ... + 49171052640.

It is an arithmetic number, because the mean of its divisors is an integer number (114732456153).

Almost surely, 2^393368421092 is an apocalyptic number.

It is an amenable number.

393368421092 is a deficient number, since it is larger than the sum of its proper divisors (295026315826).

393368421092 is a wasteful number, since it uses less digits than its factorization.

393368421092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98342105277 (or 98342105275 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 393368421092 in words is "three hundred ninety-three billion, three hundred sixty-eight million, four hundred twenty-one thousand, ninety-two".