5444545813 has 4 divisors (see below), whose sum is σ = 6222338080. Its totient is φ = 4666753548.

The previous prime is 5444545807. The next prime is 5444545823. The reversal of 5444545813 is 3185454445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5444545813 - 2¹⁷ = 5444414741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5444545813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444545823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388896123 + ... + 388896136.

It is an arithmetic number, because the mean of its divisors is an integer number (1555584520).

Almost surely, 2^5444545813 is an apocalyptic number.

It is an amenable number.

5444545813 is a deficient number, since it is larger than the sum of its proper divisors (777792267).

5444545813 is an equidigital number, since it uses as much as digits as its factorization.

5444545813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777792266.

The product of its digits is 768000, while the sum is 43.

The square root of 5444545813 is about 73787.1656387478. The cubic root of 5444545813 is about 1759.2216139807.

The spelling of 5444545813 in words is "five billion, four hundred forty-four million, five hundred forty-five thousand, eight hundred thirteen".