8590065681 has 4 divisors (see below), whose sum is σ = 11453420912. Its totient is φ = 5726710452.

The previous prime is 8590065629. The next prime is 8590065703. The reversal of 8590065681 is 1865600958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8590065681 - 2¹⁷ = 8589934609 is a prime.

It is a super-2 number, since 2×8590065681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8590065681.

It is not an unprimeable number, because it can be changed into a prime (8590063681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431677611 + ... + 1431677616.

It is an arithmetic number, because the mean of its divisors is an integer number (2863355228).

Almost surely, 2^8590065681 is an apocalyptic number.

It is an amenable number.

8590065681 is a deficient number, since it is larger than the sum of its proper divisors (2863355231).

8590065681 is a wasteful number, since it uses less digits than its factorization.

8590065681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863355230.

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 8590065681 is about 92682.6072194778. The cubic root of 8590065681 is about 2048.0104179647.

The spelling of 8590065681 in words is "eight billion, five hundred ninety million, sixty-five thousand, six hundred eighty-one".