195540050693 has 8 divisors (see below), whose sum is σ = 210593023200. Its totient is φ = 180488711088.

The previous prime is 195540050681. The next prime is 195540050743. The reversal of 195540050693 is 396050045591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195540050693 - 2¹⁰ = 195540049669 is a prime.

It is a super-2 number, since 2×195540050693² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195540050603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153623 + ... + 643956.

It is an arithmetic number, because the mean of its divisors is an integer number (26324127900).

Almost surely, 2^195540050693 is an apocalyptic number.

195540050693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

195540050693 is a deficient number, since it is larger than the sum of its proper divisors (15052972507).

195540050693 is a wasteful number, since it uses less digits than its factorization.

195540050693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816451.

The product of its (nonzero) digits is 729000, while the sum is 47.

The spelling of 195540050693 in words is "one hundred ninety-five billion, five hundred forty million, fifty thousand, six hundred ninety-three".