195976633 has 4 divisors (see below), whose sum is σ = 196015248. Its totient is φ = 195938020.

The previous prime is 195976619. The next prime is 195976657. The reversal of 195976633 is 336679591.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195976633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195976133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10291 + ... + 22312.

It is an arithmetic number, because the mean of its divisors is an integer number (49003812).

Almost surely, 2^195976633 is an apocalyptic number.

It is an amenable number.

195976633 is a deficient number, since it is larger than the sum of its proper divisors (38615).

195976633 is an equidigital number, since it uses as much as digits as its factorization.

195976633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38614.

The product of its digits is 918540, while the sum is 49.

The square root of 195976633 is about 13999.1654394110. The cubic root of 195976633 is about 580.8554884430.

The spelling of 195976633 in words is "one hundred ninety-five million, nine hundred seventy-six thousand, six hundred thirty-three".