8650402081 has 16 divisors (see below), whose sum is σ = 8831479680. Its totient is φ = 8471548800.

The previous prime is 8650402073. The next prime is 8650402133. The reversal of 8650402081 is 1802040568.

It is a cyclic number.

It is not a de Polignac number, because 8650402081 - 2³ = 8650402073 is a prime.

It is a super-2 number, since 2×8650402081² (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 (8650402681) 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 15 ways as a sum of consecutive naturals, for example, 5952751 + ... + 5954203.

It is an arithmetic number, because the mean of its divisors is an integer number (551967480).

Almost surely, 2^8650402081 is an apocalyptic number.

It is an amenable number.

8650402081 is a deficient number, since it is larger than the sum of its proper divisors (181077599).

8650402081 is a wasteful number, since it uses less digits than its factorization.

8650402081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 8650402081 is about 93007.5377644199. The cubic root of 8650402081 is about 2052.7942922512.

The spelling of 8650402081 in words is "eight billion, six hundred fifty million, four hundred two thousand, eighty-one".