4855689894969 has 81 divisors (see below), whose sum is σ = 7527526799247. Its totient is φ = 3015743436288.

The previous prime is 4855689894961. The next prime is 4855689894997. The reversal of 4855689894969 is 9694989865584.

The square root of 4855689894969 is 2203563.

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

4855689894969 is a `hidden beast` number, since 4 + 8 + 55 + 68 + 9 + 8 + 9 + 496 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4822086605625 + 33603289344 = 2195925^2 + 183312^2 .

It is not a de Polignac number, because 4855689894969 - 2³ = 4855689894961 is a prime.

It is a super-2 number, since 2×4855689894969² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (90) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4855689894961) 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, 8415406809 + ... + 8415407385.

Almost surely, 2^{4855689894969} is an apocalyptic number.

4855689894969 is the 2203563-rd square number.

4855689894969 is the 1101782-nd centered octagonal number.

It is an amenable number.

4855689894969 is a deficient number, since it is larger than the sum of its proper divisors (2671836904278).

4855689894969 is an frugal number, since it uses more digits than its factorization.

4855689894969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 666 counting only the distinct ones).

The product of its digits is 48372940800, while the sum is 90.

The spelling of 4855689894969 in words is "four trillion, eight hundred fifty-five billion, six hundred eighty-nine million, eight hundred ninety-four thousand, nine hundred sixty-nine".