199234097439 has 64 divisors (see below), whose sum is σ = 307084431360. Its totient is φ = 113961738240.

The previous prime is 199234097437. The next prime is 199234097443. The reversal of 199234097439 is 934790432991.

199234097439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 199234097439 - 2¹ = 199234097437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199234097437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6752052 + ... + 6781494.

It is an arithmetic number, because the mean of its divisors is an integer number (4798194240).

Almost surely, 2^199234097439 is an apocalyptic number.

199234097439 is a deficient number, since it is larger than the sum of its proper divisors (107850333921).

199234097439 is a wasteful number, since it uses less digits than its factorization.

199234097439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29712.

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 199234097439 in words is "one hundred ninety-nine billion, two hundred thirty-four million, ninety-seven thousand, four hundred thirty-nine".