199562093 has 4 divisors (see below), whose sum is σ = 200664828. Its totient is φ = 198459360.

The previous prime is 199562063. The next prime is 199562101. The reversal of 199562093 is 390265991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30614089 + 168948004 = 5533^2 + 12998^2 .

It is a cyclic number.

It is not a de Polignac number, because 199562093 - 2²⁰ = 198513517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199562003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551096 + ... + 551457.

It is an arithmetic number, because the mean of its divisors is an integer number (50166207).

Almost surely, 2^199562093 is an apocalyptic number.

It is an amenable number.

199562093 is a deficient number, since it is larger than the sum of its proper divisors (1102735).

199562093 is a wasteful number, since it uses less digits than its factorization.

199562093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102734.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 199562093 is about 14126.6447891918. The cubic root of 199562093 is about 584.3764198084.

The spelling of 199562093 in words is "one hundred ninety-nine million, five hundred sixty-two thousand, ninety-three".