8045089729 has 2 divisors, whose sum is σ = 8045089730. Its totient is φ = 8045089728.

The previous prime is 8045089711. The next prime is 8045089849. The reversal of 8045089729 is 9279805408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4546130625 + 3498959104 = 67425^2 + 59152^2 .

It is a cyclic number.

It is not a de Polignac number, because 8045089729 - 2¹⁵ = 8045056961 is a prime.

It is a super-2 number, since 2×8045089729² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8045081729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022544864 + 4022544865.

It is an arithmetic number, because the mean of its divisors is an integer number (4022544865).

Almost surely, 2^8045089729 is an apocalyptic number.

It is an amenable number.

8045089729 is a deficient number, since it is larger than the sum of its proper divisors (1).

8045089729 is an equidigital number, since it uses as much as digits as its factorization.

8045089729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 8045089729 is about 89694.4241801016. The cubic root of 8045089729 is about 2003.7504401200.

The spelling of 8045089729 in words is "eight billion, forty-five million, eighty-nine thousand, seven hundred twenty-nine".