4477003187449 has 27 divisors (see below), whose sum is σ = 4954650899823. Its totient is φ = 4043522304432.

The previous prime is 4477003187443. The next prime is 4477003187473. The reversal of 4477003187449 is 9447813007744.

The square root of 4477003187449 is 2115893.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 662278578025 + 3814724609424 = 813805^2 + 1953132^2 .

It is not a de Polignac number, because 4477003187449 - 2²¹ = 4477001090297 is a prime.

It is a super-2 number, since 2×4477003187449² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4477003187393 and 4477003187402.

It is not an unprimeable number, because it can be changed into a prime (4477003187443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1292808892 + ... + 1292812354.

Almost surely, 2^{4477003187449} is an apocalyptic number.

4477003187449 is the 2115893-rd square number.

4477003187449 is the 1057947-th centered octagonal number.

It is an amenable number.

4477003187449 is a deficient number, since it is larger than the sum of its proper divisors (477647712374).

4477003187449 is an frugal number, since it uses more digits than its factorization.

4477003187449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7046 (or 3523 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 58.

The spelling of 4477003187449 in words is "four trillion, four hundred seventy-seven billion, three million, one hundred eighty-seven thousand, four hundred forty-nine".