4813389945 has 96 divisors (see below), whose sum is σ = 10872755712. Its totient is φ = 1911638016.

The previous prime is 4813389913. The next prime is 4813389983. The reversal of 4813389945 is 5499833184.

4813389945 is a `hidden beast` number, since 481 + 3 + 38 + 99 + 45 = 666.

It is not a de Polignac number, because 4813389945 - 2⁵ = 4813389913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4813389891 and 4813389900.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35044 + ... + 104186.

It is an arithmetic number, because the mean of its divisors is an integer number (113257872).

Almost surely, 2^4813389945 is an apocalyptic number.

4813389945 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4813389945 is an abundant number, since it is smaller than the sum of its proper divisors (6059365767).

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

4813389945 is a wasteful number, since it uses less digits than its factorization.

4813389945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69191 (or 69188 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 4813389945 is about 69378.5986093694. The cubic root of 4813389945 is about 1688.4324183653.

The spelling of 4813389945 in words is "four billion, eight hundred thirteen million, three hundred eighty-nine thousand, nine hundred forty-five".