195075038929 has 9 divisors (see below), whose sum is σ = 197070663409. Its totient is φ = 193099435600.

The previous prime is 195075038927. The next prime is 195075038933. The reversal of 195075038929 is 929830570591.

The square root of 195075038929 is 441673.

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

It can be written as a sum of positive squares in 4 ways, for example, as 73519611025 + 121555427904 = 271145^2 + 348648^2 .

It is not a de Polignac number, because 195075038929 - 2¹ = 195075038927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195075038927) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44606787 + ... + 44611159.

Almost surely, 2^195075038929 is an apocalyptic number.

195075038929 is the 441673-rd square number.

195075038929 is the 220837-th centered octagonal number.

It is an amenable number.

195075038929 is a deficient number, since it is larger than the sum of its proper divisors (1995624480).

195075038929 is an frugal number, since it uses more digits than its factorization.

195075038929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8948 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 58.

The spelling of 195075038929 in words is "one hundred ninety-five billion, seventy-five million, thirty-eight thousand, nine hundred twenty-nine".