195713944465 has 8 divisors (see below), whose sum is σ = 252922636008. Its totient is φ = 144527220480.

The previous prime is 195713944463. The next prime is 195713944477. The reversal of 195713944465 is 564449317591.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9959840401 + 185754104064 = 99799^2 + 430992^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 195713944465 - 2¹ = 195713944463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195713944463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1505491816 + ... + 1505491945.

It is an arithmetic number, because the mean of its divisors is an integer number (31615329501).

Almost surely, 2^195713944465 is an apocalyptic number.

It is an amenable number.

195713944465 is a deficient number, since it is larger than the sum of its proper divisors (57208691543).

195713944465 is a wasteful number, since it uses less digits than its factorization.

195713944465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010983779.

The product of its digits is 16329600, while the sum is 58.

The spelling of 195713944465 in words is "one hundred ninety-five billion, seven hundred thirteen million, nine hundred forty-four thousand, four hundred sixty-five".