9901443092 has 12 divisors (see below), whose sum is σ = 17750148276. Its totient is φ = 4829972160.

The previous prime is 9901443091. The next prime is 9901443107. The reversal of 9901443092 is 2903441099.

It can be written as a sum of positive squares in 2 ways, for example, as 728784016 + 9172659076 = 26996^2 + 95774^2 .

It is a super-3 number, since 3×9901443092³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901443091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30187163 + ... + 30187490.

It is an arithmetic number, because the mean of its divisors is an integer number (1479179023).

Almost surely, 2^9901443092 is an apocalyptic number.

It is an amenable number.

9901443092 is a deficient number, since it is larger than the sum of its proper divisors (7848705184).

9901443092 is a wasteful number, since it uses less digits than its factorization.

9901443092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60374698 (or 60374696 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 9901443092 is about 99505.9952565673. The cubic root of 9901443092 is about 2147.3334955741. Note that the first 3 decimals are identical.

The spelling of 9901443092 in words is "nine billion, nine hundred one million, four hundred forty-three thousand, ninety-two".