8450573329 has 27 divisors (see below), whose sum is σ = 9512849073. Its totient is φ = 7501243200.

The previous prime is 8450573311. The next prime is 8450573377. The reversal of 8450573329 is 9233750548.

The square root of 8450573329 is 91927.

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 2058890625 + 6391682704 = 45375^2 + 79948^2 .

It is not a de Polignac number, because 8450573329 - 2⁵ = 8450573297 is a prime.

It is a super-2 number, since 2×8450573329² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8450573389) 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, 61682949 + ... + 61683085.

Almost surely, 2^8450573329 is an apocalyptic number.

8450573329 is the 91927-th square number.

8450573329 is the 45964-th centered octagonal number.

It is an amenable number.

8450573329 is a deficient number, since it is larger than the sum of its proper divisors (1062275744).

8450573329 is an equidigital number, since it uses as much as digits as its factorization.

8450573329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The cubic root of 8450573329 is about 2036.8641209603.

The spelling of 8450573329 in words is "eight billion, four hundred fifty million, five hundred seventy-three thousand, three hundred twenty-nine".