4445358129 has 12 divisors (see below), whose sum is σ = 6577684932. Its totient is φ = 2891289600.

The previous prime is 4445358109. The next prime is 4445358133. The reversal of 4445358129 is 9218535444.

4445358129 is a `hidden beast` number, since 4 + 4 + 45 + 3 + 581 + 29 = 666.

4445358129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 861539904 + 3583818225 = 29352^2 + 59865^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4445358129 is a prime.

It is a super-2 number, since 2×4445358129² = 39522417790132761282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4445358109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6023152 + ... + 6023889.

It is an arithmetic number, because the mean of its divisors is an integer number (548140411).

Almost surely, 2^4445358129 is an apocalyptic number.

It is an amenable number.

4445358129 is a deficient number, since it is larger than the sum of its proper divisors (2132326803).

4445358129 is a wasteful number, since it uses less digits than its factorization.

4445358129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12047088 (or 12047085 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 4445358129 is about 66673.5189486801. The cubic root of 4445358129 is about 1644.2540421614.

The spelling of 4445358129 in words is "four billion, four hundred forty-five million, three hundred fifty-eight thousand, one hundred twenty-nine".