195570940045 has 8 divisors (see below), whose sum is σ = 252737830296. Its totient is φ = 144421617216.

The previous prime is 195570940043. The next prime is 195570940091. The reversal of 195570940045 is 540049075591.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31463309641 + 164107630404 = 177379^2 + 405102^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 195570940045 - 2¹ = 195570940043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195570940043) 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, 1504391782 + ... + 1504391911.

It is an arithmetic number, because the mean of its divisors is an integer number (31592228787).

Almost surely, 2^195570940045 is an apocalyptic number.

It is an amenable number.

195570940045 is a deficient number, since it is larger than the sum of its proper divisors (57166890251).

195570940045 is a wasteful number, since it uses less digits than its factorization.

195570940045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3008783711.

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 195570940045 in words is "one hundred ninety-five billion, five hundred seventy million, nine hundred forty thousand, forty-five".