195474247650 has 288 divisors, whose sum is σ = 593474515200. Its totient is φ = 47274480000.

The previous prime is 195474247547. The next prime is 195474247663. The reversal of 195474247650 is 56742474591.

195474247650 is a `hidden beast` number, since 1 + 9 + 54 + 74 + 2 + 476 + 50 = 666.

195474247650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 83143975 + ... + 83146325.

It is an arithmetic number, because the mean of its divisors is an integer number (2060675400).

Almost surely, 2^195474247650 is an apocalyptic number.

195474247650 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 195474247650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296737257600).

195474247650 is an abundant number, since it is smaller than the sum of its proper divisors (398000267550).

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

195474247650 is a wasteful number, since it uses less digits than its factorization.

195474247650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903 (or 2881 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 195474247650 in words is "one hundred ninety-five billion, four hundred seventy-four million, two hundred forty-seven thousand, six hundred fifty".