193356031868 has 6 divisors (see below), whose sum is σ = 338373055776. Its totient is φ = 96678015932.

The previous prime is 193356031831. The next prime is 193356031877. The reversal of 193356031868 is 868130653391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24169503980 + ... + 24169503987.

It is an arithmetic number, because the mean of its divisors is an integer number (56395509296).

Almost surely, 2^193356031868 is an apocalyptic number.

It is an amenable number.

193356031868 is a deficient number, since it is larger than the sum of its proper divisors (145017023908).

193356031868 is a wasteful number, since it uses less digits than its factorization.

193356031868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48339007971 (or 48339007969 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 193356031868 in words is "one hundred ninety-three billion, three hundred fifty-six million, thirty-one thousand, eight hundred sixty-eight".