4351645089 has 27 divisors (see below), whose sum is σ = 6912543729. Its totient is φ = 2636041320.

The previous prime is 4351645063. The next prime is 4351645139. The reversal of 4351645089 is 9805461534.

The square root of 4351645089 is 65967.

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

4351645089 is a `hidden beast` number, since 4 + 3 + 516 + 4 + 50 + 89 = 666.

It is not a de Polignac number, because 4351645089 - 2¹¹ = 4351643041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4351645049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2175912 + ... + 2177910.

Almost surely, 2^4351645089 is an apocalyptic number.

4351645089 is the 65967-th square number.

4351645089 is the 32984-th centered octagonal number.

It is an amenable number.

4351645089 is a deficient number, since it is larger than the sum of its proper divisors (2560898640).

4351645089 is an equidigital number, since it uses as much as digits as its factorization.

4351645089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026 (or 2013 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The cubic root of 4351645089 is about 1632.6176576887.

The spelling of 4351645089 in words is "four billion, three hundred fifty-one million, six hundred forty-five thousand, eighty-nine".