199999502 has 16 divisors (see below), whose sum is σ = 302529600. Its totient is φ = 99160320.

The previous prime is 199999483. The next prime is 199999589. The reversal of 199999502 is 205999991.

199999502 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133574 + ... + 135062.

It is an arithmetic number, because the mean of its divisors is an integer number (18908100).

Almost surely, 2^199999502 is an apocalyptic number.

199999502 is a deficient number, since it is larger than the sum of its proper divisors (102530098).

199999502 is a wasteful number, since it uses less digits than its factorization.

199999502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011.

The product of its (nonzero) digits is 590490, while the sum is 53.

The square root of 199999502 is about 14142.1180167611. The cubic root of 199999502 is about 584.8030622552.

The spelling of 199999502 in words is "one hundred ninety-nine million, nine hundred ninety-nine thousand, five hundred two".