4451611493 has 16 divisors (see below), whose sum is σ = 5153587200. Its totient is φ = 3766449456.

The previous prime is 4451611481. The next prime is 4451611511. The reversal of 4451611493 is 3941161544.

It is not a de Polignac number, because 4451611493 - 2¹⁸ = 4451349349 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 (4451611433) 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, 164330 + ... + 189492.

It is an arithmetic number, because the mean of its divisors is an integer number (322099200).

Almost surely, 2^4451611493 is an apocalyptic number.

It is an amenable number.

4451611493 is a deficient number, since it is larger than the sum of its proper divisors (701975707).

4451611493 is a wasteful number, since it uses less digits than its factorization.

4451611493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25496.

The product of its digits is 51840, while the sum is 38.

The square root of 4451611493 is about 66720.3978780103. The cubic root of 4451611493 is about 1645.0246813430.

The spelling of 4451611493 in words is "four billion, four hundred fifty-one million, six hundred eleven thousand, four hundred ninety-three".