195829934839 has 32 divisors (see below), whose sum is σ = 254832675840. Its totient is φ = 145922515200.

The previous prime is 195829934821. The next prime is 195829934921. The reversal of 195829934839 is 938439928591.

It is not a de Polignac number, because 195829934839 - 2⁹ = 195829934327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195829934239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8171827 + ... + 8195755.

It is an arithmetic number, because the mean of its divisors is an integer number (7963521120).

Almost surely, 2^195829934839 is an apocalyptic number.

195829934839 is a deficient number, since it is larger than the sum of its proper divisors (59002741001).

195829934839 is a wasteful number, since it uses less digits than its factorization.

195829934839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28591.

The product of its digits is 151165440, while the sum is 70.

The spelling of 195829934839 in words is "one hundred ninety-five billion, eight hundred twenty-nine million, nine hundred thirty-four thousand, eight hundred thirty-nine".