195694653 has 16 divisors (see below), whose sum is σ = 325310976. Its totient is φ = 101659440.

The previous prime is 195694627. The next prime is 195694669. The reversal of 195694653 is 356496591.

It is a happy number.

It is not a de Polignac number, because 195694653 - 2⁵ = 195694621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195694153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423351 + ... + 423812.

It is an arithmetic number, because the mean of its divisors is an integer number (20331936).

Almost surely, 2^195694653 is an apocalyptic number.

It is an amenable number.

195694653 is a deficient number, since it is larger than the sum of its proper divisors (129616323).

195694653 is a wasteful number, since it uses less digits than its factorization.

195694653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847184.

The product of its digits is 874800, while the sum is 48.

The square root of 195694653 is about 13989.0904993856. The cubic root of 195694653 is about 580.5767677150.

The spelling of 195694653 in words is "one hundred ninety-five million, six hundred ninety-four thousand, six hundred fifty-three".