276746488489 has 3 divisors (see below), whose sum is σ = 276747014557. Its totient is φ = 276745962422.

The previous prime is 276746488441. The next prime is 276746488517. The reversal of 276746488489 is 984884647672.

The square root of 276746488489 is 526067.

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.

It is not a de Polignac number, because 276746488489 - 2¹¹ = 276746486441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276746488439) 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, 263034 + ... + 789100.

Almost surely, 2^276746488489 is an apocalyptic number.

276746488489 is the 526067-th square number.

276746488489 is the 263034-th centered octagonal number.

It is an amenable number.

276746488489 is a deficient number, since it is larger than the sum of its proper divisors (526068).

276746488489 is an frugal number, since it uses more digits than its factorization.

276746488489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052134 (or 526067 counting only the distinct ones).

The product of its digits is 1040449536, while the sum is 73.

The spelling of 276746488489 in words is "two hundred seventy-six billion, seven hundred forty-six million, four hundred eighty-eight thousand, four hundred eighty-nine".