68204453950 has 12 divisors (see below), whose sum is σ = 126860284440. Its totient is φ = 27281781560.

The previous prime is 68204453927. The next prime is 68204453959. The reversal of 68204453950 is 5935440286.

It is a self number, because there is not a number n which added to its sum of digits gives 68204453950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68204453959) 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 5 ways as a sum of consecutive naturals, for example, 682044490 + ... + 682044589.

It is an arithmetic number, because the mean of its divisors is an integer number (10571690370).

Almost surely, 2^68204453950 is an apocalyptic number.

68204453950 is a deficient number, since it is larger than the sum of its proper divisors (58655830490).

68204453950 is a wasteful number, since it uses less digits than its factorization.

68204453950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364089091 (or 1364089086 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 68204453950 in words is "sixty-eight billion, two hundred four million, four hundred fifty-three thousand, nine hundred fifty".