8405959011 has 4 divisors (see below), whose sum is σ = 11207945352. Its totient is φ = 5603972672.

The previous prime is 8405959007. The next prime is 8405959013. The reversal of 8405959011 is 1109595048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8405959011 - 2² = 8405959007 is a prime.

It is a super-2 number, since 2×8405959011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8405959013) 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, 1400993166 + ... + 1400993171.

It is an arithmetic number, because the mean of its divisors is an integer number (2801986338).

Almost surely, 2^8405959011 is an apocalyptic number.

8405959011 is a deficient number, since it is larger than the sum of its proper divisors (2801986341).

8405959011 is a wasteful number, since it uses less digits than its factorization.

8405959011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801986340.

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 8405959011 is about 91684.0172058358. The cubic root of 8405959011 is about 2033.2732918369.

The spelling of 8405959011 in words is "eight billion, four hundred five million, nine hundred fifty-nine thousand, eleven".