199308590439 has 16 divisors (see below), whose sum is σ = 313505372160. Its totient is φ = 110216731680.

The previous prime is 199308590423. The next prime is 199308590443. The reversal of 199308590439 is 934095803991.

It is not a de Polignac number, because 199308590439 - 2⁴ = 199308590423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199308590419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153078144 + ... + 153079445.

It is an arithmetic number, because the mean of its divisors is an integer number (19594085760).

Almost surely, 2^199308590439 is an apocalyptic number.

199308590439 is a deficient number, since it is larger than the sum of its proper divisors (114196781721).

199308590439 is a wasteful number, since it uses less digits than its factorization.

199308590439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306157630.

The product of its (nonzero) digits is 9447840, while the sum is 60.

The spelling of 199308590439 in words is "one hundred ninety-nine billion, three hundred eight million, five hundred ninety thousand, four hundred thirty-nine".