199361392893 has 24 divisors (see below), whose sum is σ = 310857936480. Its totient is φ = 122391102240.

The previous prime is 199361392889. The next prime is 199361392897. The reversal of 199361392893 is 398293163991.

199361392893 is a `hidden beast` number, since 1 + 9 + 9 + 3 + 613 + 9 + 2 + 8 + 9 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (199361392889) and next prime (199361392897).

It is not a de Polignac number, because 199361392893 - 2² = 199361392889 is a prime.

It is a super-2 number, since 2×199361392893² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 199361392893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199361392897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1984323 + ... + 2082368.

It is an arithmetic number, because the mean of its divisors is an integer number (12952414020).

Almost surely, 2^199361392893 is an apocalyptic number.

199361392893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

199361392893 is a deficient number, since it is larger than the sum of its proper divisors (111496543587).

199361392893 is a wasteful number, since it uses less digits than its factorization.

199361392893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067129 (or 4067126 counting only the distinct ones).

The product of its digits is 17006112, while the sum is 63.

The spelling of 199361392893 in words is "one hundred ninety-nine billion, three hundred sixty-one million, three hundred ninety-two thousand, eight hundred ninety-three".