195532000813 has 2 divisors, whose sum is σ = 195532000814. Its totient is φ = 195532000812.

The previous prime is 195532000799. The next prime is 195532000883. The reversal of 195532000813 is 318000235591.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195516961929 + 15038884 = 442173^2 + 3878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195532000813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195532000883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97766000406 + 97766000407.

It is an arithmetic number, because the mean of its divisors is an integer number (97766000407).

Almost surely, 2^195532000813 is an apocalyptic number.

It is an amenable number.

195532000813 is a deficient number, since it is larger than the sum of its proper divisors (1).

195532000813 is an equidigital number, since it uses as much as digits as its factorization.

195532000813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 195532000813 in words is "one hundred ninety-five billion, five hundred thirty-two million, eight hundred thirteen", and thus it is an aban number.