7288081869445 has 32 divisors (see below), whose sum is σ = 9568224207360. Its totient is φ = 5296534341120.

The previous prime is 7288081869403. The next prime is 7288081869449. The reversal of 7288081869445 is 5449681808827.

It is not a de Polignac number, because 7288081869445 - 2⁷ = 7288081869317 is a prime.

It is a super-2 number, since 2×7288081869445² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7288081869449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3719505 + ... + 5330185.

It is an arithmetic number, because the mean of its divisors is an integer number (299007006480).

Almost surely, 2^{7288081869445} is an apocalyptic number.

It is an amenable number.

7288081869445 is a deficient number, since it is larger than the sum of its proper divisors (2280142337915).

7288081869445 is a wasteful number, since it uses less digits than its factorization.

7288081869445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611805.

The product of its (nonzero) digits is 247726080, while the sum is 70.

The spelling of 7288081869445 in words is "seven trillion, two hundred eighty-eight billion, eighty-one million, eight hundred sixty-nine thousand, four hundred forty-five".