898110649969 has 27 divisors (see below), whose sum is σ = 979754349249. Its totient is φ = 822895575840.

The previous prime is 898110649957. The next prime is 898110650053. The reversal of 898110649969 is 969946011898.

The square root of 898110649969 is 947687.

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

898110649969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 565541600625 + 332569049344 = 752025^2 + 576688^2 .

It is not a de Polignac number, because 898110649969 - 2⁵ = 898110649937 is a prime.

It is a super-2 number, since 2×898110649969² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 898110649898 and 898110649907.

It is not an unprimeable number, because it can be changed into a prime (898110649169) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3314061304 + ... + 3314061574.

Almost surely, 2^898110649969 is an apocalyptic number.

898110649969 is the 947687-th square number.

898110649969 is the 473844-th centered octagonal number.

It is an amenable number.

898110649969 is a deficient number, since it is larger than the sum of its proper divisors (81643699280).

898110649969 is an frugal number, since it uses more digits than its factorization.

898110649969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 70.

The spelling of 898110649969 in words is "eight hundred ninety-eight billion, one hundred ten million, six hundred forty-nine thousand, nine hundred sixty-nine".