195543298050 has 96 divisors (see below), whose sum is σ = 491392173888. Its totient is φ = 51453438720.

The previous prime is 195543298007. The next prime is 195543298061. The reversal of 195543298050 is 50892345591.

It is a happy number.

It is a super-2 number, since 2×195543298050² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 195543297984 and 195543298002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10610644 + ... + 10629056.

It is an arithmetic number, because the mean of its divisors is an integer number (5118668478).

Almost surely, 2^195543298050 is an apocalyptic number.

195543298050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 195543298050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245696086944).

195543298050 is an abundant number, since it is smaller than the sum of its proper divisors (295848875838).

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

195543298050 is a wasteful number, since it uses less digits than its factorization.

195543298050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19364 (or 19359 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 195543298050 in words is "one hundred ninety-five billion, five hundred forty-three million, two hundred ninety-eight thousand, fifty".