2276450281681 has 9 divisors (see below), whose sum is σ = 2289510552091. Its totient is φ = 2263464117544.

The previous prime is 2276450281673. The next prime is 2276450281727. The reversal of 2276450281681 is 1861820546722.

The square root of 2276450281681 is 1508791.

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

It can be written as a sum of positive squares in only one way, i.e., 376739391681 + 1899710890000 = 613791^2 + 1378300^2 .

It is not a de Polignac number, because 2276450281681 - 2³ = 2276450281673 is a prime.

It is a super-2 number, since 2×2276450281681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2276450281601) 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, 270069375 + ... + 270077803.

Almost surely, 2^{2276450281681} is an apocalyptic number.

2276450281681 is the 1508791-st square number.

2276450281681 is the 754396-th centered octagonal number.

It is an amenable number.

2276450281681 is a deficient number, since it is larger than the sum of its proper divisors (13060270410).

2276450281681 is an frugal number, since it uses more digits than its factorization.

2276450281681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17216 (or 8608 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 2276450281681 in words is "two trillion, two hundred seventy-six billion, four hundred fifty million, two hundred eighty-one thousand, six hundred eighty-one".