7489091091144 has 128 divisors (see below), whose sum is σ = 20426833082880. Its totient is φ = 2274320256000.

The previous prime is 7489091091143. The next prime is 7489091091149. The reversal of 7489091091144 is 4411901909847.

It is not an unprimeable number, because it can be changed into a prime (7489091091143) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9614449 + ... + 10364159.

It is an arithmetic number, because the mean of its divisors is an integer number (159584633460).

Almost surely, 2^{7489091091144} 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 7489091091144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10213416541440).

7489091091144 is an abundant number, since it is smaller than the sum of its proper divisors (12937741991736).

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

7489091091144 is a wasteful number, since it uses less digits than its factorization.

7489091091144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750151 (or 750147 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 7489091091144 in words is "seven trillion, four hundred eighty-nine billion, ninety-one million, ninety-one thousand, one hundred forty-four".