5449166579025 has 81 divisors (see below), whose sum is σ = 10569471641937. Its totient is φ = 2682442526400.

The previous prime is 5449166578987. The next prime is 5449166579029. The reversal of 5449166579025 is 5209756619445.

The square root of 5449166579025 is 2334345.

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

5449166579025 is a `hidden beast` number, since 5 + 4 + 49 + 16 + 6 + 579 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1404530746641 + 4044635832384 = 1185129^2 + 2011128^2 .

It is not a de Polignac number, because 5449166579025 - 2¹⁷ = 5449166447953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5449166579029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 455191290 + ... + 455203260.

Almost surely, 2^{5449166579025} is an apocalyptic number.

5449166579025 is the 2334345-th square number.

5449166579025 is the 1167173-rd centered octagonal number.

It is an amenable number.

5449166579025 is a deficient number, since it is larger than the sum of its proper divisors (5120305062912).

5449166579025 is an equidigital number, since it uses as much as digits as its factorization.

5449166579025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23984 (or 11992 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 63.

The spelling of 5449166579025 in words is "five trillion, four hundred forty-nine billion, one hundred sixty-six million, five hundred seventy-nine thousand, twenty-five".