195144463372 has 6 divisors (see below), whose sum is σ = 341502810908. Its totient is φ = 97572231684.

The previous prime is 195144463363. The next prime is 195144463391. The reversal of 195144463372 is 273364441591.

It is a happy number.

It is a super-2 number, since 2×195144463372² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24393057918 + ... + 24393057925.

Almost surely, 2^195144463372 is an apocalyptic number.

It is an amenable number.

195144463372 is a deficient number, since it is larger than the sum of its proper divisors (146358347536).

195144463372 is a wasteful number, since it uses less digits than its factorization.

195144463372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48786115847 (or 48786115845 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The spelling of 195144463372 in words is "one hundred ninety-five billion, one hundred forty-four million, four hundred sixty-three thousand, three hundred seventy-two".