5449999445 has 16 divisors (see below), whose sum is σ = 7286347008. Its totient is φ = 3879301440.

The previous prime is 5449999411. The next prime is 5449999447.

5449999445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5449999445 - 2¹² = 5449995349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5449999447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051574 + ... + 1056743.

It is an arithmetic number, because the mean of its divisors is an integer number (455396688).

Almost surely, 2^5449999445 is an apocalyptic number.

5449999445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5449999445 is a deficient number, since it is larger than the sum of its proper divisors (1836347563).

5449999445 is a wasteful number, since it uses less digits than its factorization.

5449999445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108380.

The product of its digits is 41990400, while the sum is 62.

The square root of 5449999445 is about 73824.1115422326. Note that the first 3 decimals coincide. The cubic root of 5449999445 is about 1759.8088038042.

The spelling of 5449999445 in words is "five billion, four hundred forty-nine million, nine hundred ninety-nine thousand, four hundred forty-five".