195482330521 has 4 divisors (see below), whose sum is σ = 195509952000. Its totient is φ = 195454709044.

The previous prime is 195482330497. The next prime is 195482330569. The reversal of 195482330521 is 125033284591.

It is a happy number.

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 not a de Polignac number, because 195482330521 - 2²³ = 195473941913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195482337521) 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, 13800121 + ... + 13814278.

It is an arithmetic number, because the mean of its divisors is an integer number (48877488000).

Almost surely, 2^195482330521 is an apocalyptic number.

It is an amenable number.

195482330521 is a deficient number, since it is larger than the sum of its proper divisors (27621479).

195482330521 is an equidigital number, since it uses as much as digits as its factorization.

195482330521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27621478.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 195482330521 in words is "one hundred ninety-five billion, four hundred eighty-two million, three hundred thirty thousand, five hundred twenty-one".