9443894461900 has 36 divisors (see below), whose sum is σ = 20524348623240. Its totient is φ = 3771825500800.

The previous prime is 9443894461871. The next prime is 9443894461919. The reversal of 9443894461900 is 91644983449.

It is a super-2 number, since 2×9443894461900² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71587321 + ... + 71719120.

It is an arithmetic number, because the mean of its divisors is an integer number (570120795090).

Almost surely, 2^{9443894461900} is an apocalyptic number.

It is an amenable number.

9443894461900 is an abundant number, since it is smaller than the sum of its proper divisors (11080454161340).

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

9443894461900 is a wasteful number, since it uses less digits than its factorization.

9443894461900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143307114 (or 143307107 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 9443894461900 in words is "nine trillion, four hundred forty-three billion, eight hundred ninety-four million, four hundred sixty-one thousand, nine hundred".