193420099868 has 6 divisors (see below), whose sum is σ = 338485174776. Its totient is φ = 96710049932.

The previous prime is 193420099813. The next prime is 193420099913. The reversal of 193420099868 is 868990024391.

It is a super-2 number, since 2×193420099868² (a number of 23 digits) contains 22 as substring.

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, 24177512480 + ... + 24177512487.

It is an arithmetic number, because the mean of its divisors is an integer number (56414195796).

Almost surely, 2^193420099868 is an apocalyptic number.

It is an amenable number.

193420099868 is a deficient number, since it is larger than the sum of its proper divisors (145065074908).

193420099868 is a wasteful number, since it uses less digits than its factorization.

193420099868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48355024971 (or 48355024969 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 59.

The spelling of 193420099868 in words is "one hundred ninety-three billion, four hundred twenty million, ninety-nine thousand, eight hundred sixty-eight".