194963620488 has 512 divisors, whose sum is σ = 659384893440. Its totient is φ = 46568079360.

The previous prime is 194963620469. The next prime is 194963620513. The reversal of 194963620488 is 884026369491.

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 in 127 ways as a sum of consecutive naturals, for example, 268175181 + ... + 268175907.

It is an arithmetic number, because the mean of its divisors is an integer number (1287861120).

Almost surely, 2^194963620488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194963620488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329692446720).

194963620488 is an abundant number, since it is smaller than the sum of its proper divisors (464421272952).

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

194963620488 is a wasteful number, since it uses less digits than its factorization.

194963620488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 194963620488 in words is "one hundred ninety-four billion, nine hundred sixty-three million, six hundred twenty thousand, four hundred eighty-eight".