4489670025 has 45 divisors (see below), whose sum is σ = 8322009861. Its totient is φ = 2392882560.

The previous prime is 4489670023. The next prime is 4489670041. The reversal of 4489670025 is 5200769844.

It is a happy number.

The square root of 4489670025 is 67005.

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

It can be written as a sum of positive squares in 4 ways, for example, as 836192889 + 3653477136 = 28917^2 + 60444^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 4489670025 - 2¹ = 4489670023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4489670023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3014481 + ... + 3015969.

Almost surely, 2^4489670025 is an apocalyptic number.

4489670025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4489670025 is the 67005-th square number.

4489670025 is the 33503-rd centered octagonal number.

It is an amenable number.

4489670025 is a deficient number, since it is larger than the sum of its proper divisors (3832339836).

4489670025 is an frugal number, since it uses more digits than its factorization.

4489670025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The cubic root of 4489670025 is about 1649.6993667149.

It can be divided in two parts, 44896 and 70025, that added together give a square (114921 = 339²).

The spelling of 4489670025 in words is "four billion, four hundred eighty-nine million, six hundred seventy thousand, twenty-five".