4487430449 has 24 divisors (see below), whose sum is σ = 4945217400. Its totient is φ = 4066334720.

The previous prime is 4487430427. The next prime is 4487430461. The reversal of 4487430449 is 9440347844.

It can be written as a sum of positive squares in 12 ways, for example, as 191545600 + 4295884849 = 13840^2 + 65543^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4487430449 is a prime.

It is a super-2 number, since 2×4487430449² = 40274064069224683202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4487430419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4768319 + ... + 4769259.

It is an arithmetic number, because the mean of its divisors is an integer number (206050725).

Almost surely, 2^4487430449 is an apocalyptic number.

It is an amenable number.

4487430449 is a deficient number, since it is larger than the sum of its proper divisors (457786951).

4487430449 is a wasteful number, since it uses less digits than its factorization.

4487430449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 47.

The square root of 4487430449 is about 66988.2859088065. The cubic root of 4487430449 is about 1649.4250153270.

The spelling of 4487430449 in words is "four billion, four hundred eighty-seven million, four hundred thirty thousand, four hundred forty-nine".