5445081831 has 24 divisors (see below), whose sum is σ = 8717873664. Its totient is φ = 3011102640.

The previous prime is 5445081823. The next prime is 5445081839. The reversal of 5445081831 is 1381805445.

It is an interprime number because it is at equal distance from previous prime (5445081823) and next prime (5445081839).

It is not a de Polignac number, because 5445081831 - 2³ = 5445081823 is a prime.

It is a super-2 number, since 2×5445081831² = 59297832292572625122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5445081831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445081839) by changing a digit.

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, 592885 + ... + 601998.

It is an arithmetic number, because the mean of its divisors is an integer number (363244736).

Almost surely, 2^5445081831 is an apocalyptic number.

5445081831 is a deficient number, since it is larger than the sum of its proper divisors (3272791833).

5445081831 is a wasteful number, since it uses less digits than its factorization.

5445081831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194931 (or 1194924 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 5445081831 is about 73790.7977392845. The cubic root of 5445081831 is about 1759.2793441410.

The spelling of 5445081831 in words is "five billion, four hundred forty-five million, eighty-one thousand, eight hundred thirty-one".