195837939105 has 16 divisors (see below), whose sum is σ = 318017431104. Its totient is φ = 102887991360.

The previous prime is 195837939079. The next prime is 195837939119. The reversal of 195837939105 is 501939738591.

It is not a de Polignac number, because 195837939105 - 2¹² = 195837935009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97430806 + ... + 97432815.

It is an arithmetic number, because the mean of its divisors is an integer number (19876089444).

Almost surely, 2^195837939105 is an apocalyptic number.

195837939105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195837939105 is a deficient number, since it is larger than the sum of its proper divisors (122179491999).

195837939105 is a wasteful number, since it uses less digits than its factorization.

195837939105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194863696.

The product of its (nonzero) digits is 9185400, while the sum is 60.

The spelling of 195837939105 in words is "one hundred ninety-five billion, eight hundred thirty-seven million, nine hundred thirty-nine thousand, one hundred five".