195973741544 has 32 divisors (see below), whose sum is σ = 422618551680. Its totient is φ = 83453782464.

The previous prime is 195973741489. The next prime is 195973741549. The reversal of 195973741544 is 445147379591.

It is not an unprimeable number, because it can be changed into a prime (195973741549) 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, 11136212 + ... + 11153795.

It is an arithmetic number, because the mean of its divisors is an integer number (13206829740).

Almost surely, 2^195973741544 is an apocalyptic number.

195973741544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

195973741544 is an abundant number, since it is smaller than the sum of its proper divisors (226644810136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195973741544 is a wasteful number, since it uses less digits than its factorization.

195973741544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22290177 (or 22290173 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 59.

The spelling of 195973741544 in words is "one hundred ninety-five billion, nine hundred seventy-three million, seven hundred forty-one thousand, five hundred forty-four".