288769741129 has 3 divisors (see below), whose sum is σ = 288770278503. Its totient is φ = 288769203756.

The previous prime is 288769741123. The next prime is 288769741133. The reversal of 288769741129 is 921147967882.

The square root of 288769741129 is 537373.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 921147967882 = 2 ⋅460573983941.

It can be written as a sum of positive squares in only one way, i.e., 45866647225 + 242903093904 = 214165^2 + 492852^2 .

It is a de Polignac number, because none of the positive numbers 2^k-288769741129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288769741123) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 268687 + ... + 806059.

It is an arithmetic number, because the mean of its divisors is an integer number (96256759501).

Almost surely, 2^288769741129 is an apocalyptic number.

288769741129 is the 537373-rd square number.

288769741129 is the 268687-th centered octagonal number.

It is an amenable number.

288769741129 is a deficient number, since it is larger than the sum of its proper divisors (537374).

288769741129 is an frugal number, since it uses more digits than its factorization.

288769741129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074746 (or 537373 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 64.

Multiplying 288769741129 by its sum of digits (64), we get a square (18481263432256 = 4298984²).

The spelling of 288769741129 in words is "two hundred eighty-eight billion, seven hundred sixty-nine million, seven hundred forty-one thousand, one hundred twenty-nine".