195012513873 has 16 divisors (see below), whose sum is σ = 301468621440. Its totient is φ = 124355805552.

The previous prime is 195012513853. The next prime is 195012513889. The reversal of 195012513873 is 378315210591.

195012513873 is a `hidden beast` number, since 1 + 9 + 50 + 1 + 2 + 513 + 87 + 3 = 666.

195012513873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195012513873 - 2⁶ = 195012513809 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (195012513803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157014286 + ... + 157015527.

It is an arithmetic number, because the mean of its divisors is an integer number (18841788840).

Almost surely, 2^195012513873 is an apocalyptic number.

It is an amenable number.

195012513873 is a deficient number, since it is larger than the sum of its proper divisors (106456107567).

195012513873 is a wasteful number, since it uses less digits than its factorization.

195012513873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314029845 (or 314029839 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 195012513873 in words is "one hundred ninety-five billion, twelve million, five hundred thirteen thousand, eight hundred seventy-three".