199070829 has 6 divisors (see below), whose sum is σ = 287546766. Its totient is φ = 132713880.

The previous prime is 199070827. The next prime is 199070831. The reversal of 199070829 is 928070991.

It is an interprime number because it is at equal distance from previous prime (199070827) and next prime (199070831).

It can be written as a sum of positive squares in only one way, i.e., 160655625 + 38415204 = 12675^2 + 6198^2 .

It is not a de Polignac number, because 199070829 - 2¹ = 199070827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199070827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11059482 + ... + 11059499.

It is an arithmetic number, because the mean of its divisors is an integer number (47924461).

Almost surely, 2^199070829 is an apocalyptic number.

It is an amenable number.

199070829 is a deficient number, since it is larger than the sum of its proper divisors (88475937).

199070829 is a wasteful number, since it uses less digits than its factorization.

199070829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22118987 (or 22118984 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 199070829 is about 14109.2462236648. The cubic root of 199070829 is about 583.8965040294.

The spelling of 199070829 in words is "one hundred ninety-nine million, seventy thousand, eight hundred twenty-nine".