5445051218 has 4 divisors (see below), whose sum is σ = 8167576830. Its totient is φ = 2722525608.

The previous prime is 5445051187. The next prime is 5445051319. The reversal of 5445051218 is 8121505445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3570421009 + 1874630209 = 59753^2 + 43297^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361262803 + ... + 1361262806.

Almost surely, 2^5445051218 is an apocalyptic number.

5445051218 is a deficient number, since it is larger than the sum of its proper divisors (2722525612).

5445051218 is a wasteful number, since it uses less digits than its factorization.

5445051218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722525611.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 5445051218 is about 73790.5903079790. The cubic root of 5445051218 is about 1759.2760471646.

The spelling of 5445051218 in words is "five billion, four hundred forty-five million, fifty-one thousand, two hundred eighteen".