4394662359025 has 27 divisors (see below), whose sum is σ = 5476458219019. Its totient is φ = 3498346994480.

The previous prime is 4394662359007. The next prime is 4394662359041. The reversal of 4394662359025 is 5209532664934.

The square root of 4394662359025 is 2096345.

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., 1582078449249 + 2812583909776 = 1257807^2 + 1677076^2 .

It is not a de Polignac number, because 4394662359025 - 2¹⁹ = 4394661834737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2379350652 + ... + 2379352498.

Almost surely, 2^{4394662359025} is an apocalyptic number.

4394662359025 is the 2096345-th square number.

4394662359025 is the 1048173-rd centered octagonal number.

It is an amenable number.

4394662359025 is a deficient number, since it is larger than the sum of its proper divisors (1081795859994).

4394662359025 is an frugal number, since it uses more digits than its factorization.

4394662359025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 58.

The spelling of 4394662359025 in words is "four trillion, three hundred ninety-four billion, six hundred sixty-two million, three hundred fifty-nine thousand, twenty-five".