43125582889 has 9 divisors (see below), whose sum is σ = 45087124663. Its totient is φ = 41245988872.

The previous prime is 43125582817. The next prime is 43125582931. The reversal of 43125582889 is 98828552134.

The square root of 43125582889 is 207667.

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., 43049195289 + 76387600 = 207483^2 + 8740^2 .

It is not a de Polignac number, because 43125582889 - 2¹⁵ = 43125550121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43125583889) 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, 4771827 + ... + 4780855.

Almost surely, 2^43125582889 is an apocalyptic number.

43125582889 is the 207667-th square number.

43125582889 is the 103834-th centered octagonal number.

It is an amenable number.

43125582889 is a deficient number, since it is larger than the sum of its proper divisors (1961541774).

43125582889 is an frugal number, since it uses more digits than its factorization.

43125582889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18104 (or 9052 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 55.

The spelling of 43125582889 in words is "forty-three billion, one hundred twenty-five million, five hundred eighty-two thousand, eight hundred eighty-nine".