199913475 has 12 divisors (see below), whose sum is σ = 330523736. Its totient is φ = 106620480.

The previous prime is 199913473. The next prime is 199913503. The reversal of 199913475 is 574319991.

It is not a de Polignac number, because 199913475 - 2¹ = 199913473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199913473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1332682 + ... + 1332831.

Almost surely, 2^199913475 is an apocalyptic number.

199913475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199913475 is a deficient number, since it is larger than the sum of its proper divisors (130610261).

199913475 is a wasteful number, since it uses less digits than its factorization.

199913475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665526 (or 2665521 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 199913475 is about 14139.0761720842. The cubic root of 199913475 is about 584.7192019331.

The spelling of 199913475 in words is "one hundred ninety-nine million, nine hundred thirteen thousand, four hundred seventy-five".