4345449831 has 48 divisors (see below), whose sum is σ = 6604416000. Its totient is φ = 2749887360.

The previous prime is 4345449809. The next prime is 4345449833. The reversal of 4345449831 is 1389445434.

It is not a de Polignac number, because 4345449831 - 2²¹ = 4343352679 is a prime.

It is a super-2 number, since 2×4345449831² = 37765868467475857122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4345449833) 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 47 ways as a sum of consecutive naturals, for example, 3450880 + ... + 3452138.

It is an arithmetic number, because the mean of its divisors is an integer number (137592000).

Almost surely, 2^4345449831 is an apocalyptic number.

4345449831 is a deficient number, since it is larger than the sum of its proper divisors (2258966169).

4345449831 is a wasteful number, since it uses less digits than its factorization.

4345449831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1521 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 4345449831 is about 65920.0260239633. The cubic root of 4345449831 is about 1631.8425262110.

The spelling of 4345449831 in words is "four billion, three hundred forty-five million, four hundred forty-nine thousand, eight hundred thirty-one".