5489811945 has 24 divisors (see below), whose sum is σ = 9649703232. Its totient is φ = 2886660000.

The previous prime is 5489811931. The next prime is 5489811959. The reversal of 5489811945 is 5491189845.

5489811945 is a `hidden beast` number, since 5 + 489 + 8 + 119 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (5489811931) and next prime (5489811959).

It is not a de Polignac number, because 5489811945 - 2⁵ = 5489811913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5489811891 and 5489811900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 855931 + ... + 862320.

It is an arithmetic number, because the mean of its divisors is an integer number (402070968).

Almost surely, 2^5489811945 is an apocalyptic number.

It is an amenable number.

5489811945 is a deficient number, since it is larger than the sum of its proper divisors (4159891287).

5489811945 is a wasteful number, since it uses less digits than its factorization.

5489811945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718333 (or 1718330 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 54.

The square root of 5489811945 is about 74093.2651797719. The cubic root of 5489811945 is about 1764.0835732922.

The spelling of 5489811945 in words is "five billion, four hundred eighty-nine million, eight hundred eleven thousand, nine hundred forty-five".