195542608804 has 9 divisors (see below), whose sum is σ = 342201113121. Its totient is φ = 97770862200.

The previous prime is 195542608763. The next prime is 195542608813. The reversal of 195542608804 is 408806245591.

The square root of 195542608804 is 442202.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13759759204 + 181782849600 = 117302^2 + 426360^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 773854 + ... + 994954.

Almost surely, 2^195542608804 is an apocalyptic number.

195542608804 is the 442202-nd square number.

It is an amenable number.

195542608804 is a deficient number, since it is larger than the sum of its proper divisors (146658504317).

195542608804 is an frugal number, since it uses more digits than its factorization.

195542608804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442206 (or 221103 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 195542608804 in words is "one hundred ninety-five billion, five hundred forty-two million, six hundred eight thousand, eight hundred four".