9819895950 has 48 divisors (see below), whose sum is σ = 27059272560. Its totient is φ = 2618638560.

The previous prime is 9819895949. The next prime is 9819896011. The reversal of 9819895950 is 595989189.

9819895950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 3635649 + ... + 3638348.

It is an arithmetic number, because the mean of its divisors is an integer number (563734845).

Almost surely, 2^9819895950 is an apocalyptic number.

9819895950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9819895950 is an abundant number, since it is smaller than the sum of its proper divisors (17239376610).

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

9819895950 is a wasteful number, since it uses less digits than its factorization.

9819895950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7274018 (or 7274007 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 63.

The square root of 9819895950 is about 99095.3881368856. The cubic root of 9819895950 is about 2141.4221738558.

The spelling of 9819895950 in words is "nine billion, eight hundred nineteen million, eight hundred ninety-five thousand, nine hundred fifty".