45276520661089 has 27 divisors (see below), whose sum is σ = 48200896286361. Its totient is φ = 42526985165280.

The previous prime is 45276520661077. The next prime is 45276520661129. The reversal of 45276520661089 is 98016602567254.

The square root of 45276520661089 is 6728783.

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

It can be written as a sum of positive squares in 4 ways, for example, as 9635716181025 + 35640804480064 = 3104145^2 + 5969992^2 .

It is not a de Polignac number, because 45276520661089 - 2²¹ = 45276518563937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45276520661189) 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, 7219981024 + ... + 7219987294.

Almost surely, 2^{45276520661089} is an apocalyptic number.

45276520661089 is the 6728783-rd square number.

45276520661089 is the 3364392-nd centered octagonal number.

It is an amenable number.

45276520661089 is a deficient number, since it is larger than the sum of its proper divisors (2924375625272).

45276520661089 is an frugal number, since it uses more digits than its factorization.

45276520661089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12674 (or 6337 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 45276520661089 in words is "forty-five trillion, two hundred seventy-six billion, five hundred twenty million, six hundred sixty-one thousand, eighty-nine".