199051463 has 4 divisors (see below), whose sum is σ = 214363128. Its totient is φ = 183739800.

The previous prime is 199051459. The next prime is 199051477. The reversal of 199051463 is 364150991.

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

It is a cyclic number.

It is not a de Polignac number, because 199051463 - 2² = 199051459 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 (199051423) 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, 7655813 + ... + 7655838.

It is an arithmetic number, because the mean of its divisors is an integer number (53590782).

Almost surely, 2^199051463 is an apocalyptic number.

199051463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

199051463 is a deficient number, since it is larger than the sum of its proper divisors (15311665).

199051463 is a wasteful number, since it uses less digits than its factorization.

199051463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311664.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 199051463 is about 14108.5599194248. The cubic root of 199051463 is about 583.8775692170.

The spelling of 199051463 in words is "one hundred ninety-nine million, fifty-one thousand, four hundred sixty-three".