113456469889 has 9 divisors (see below), whose sum is σ = 131982718017. Its totient is φ = 97246381764.

The previous prime is 113456469859. The next prime is 113456469911. The reversal of 113456469889 is 988964654311.

The square root of 113456469889 is 336833.

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

It is not a de Polignac number, because 113456469889 - 2¹⁷ = 113456338817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113456469889.

It is not an unprimeable number, because it can be changed into a prime (113456469809) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2333772 + ... + 2381890.

Almost surely, 2^113456469889 is an apocalyptic number.

113456469889 is the 336833-rd square number.

113456469889 is the 168417-th centered octagonal number.

It is an amenable number.

113456469889 is a deficient number, since it is larger than the sum of its proper divisors (18526248128).

113456469889 is an frugal number, since it uses more digits than its factorization.

113456469889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96252 (or 48126 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 64.

Multiplying 113456469889 by its sum of digits (64), we get a square (7261214072896 = 2694664²).

The spelling of 113456469889 in words is "one hundred thirteen billion, four hundred fifty-six million, four hundred sixty-nine thousand, eight hundred eighty-nine".