8605951409 has 16 divisors (see below), whose sum is σ = 9921864960. Its totient is φ = 7382250000.

The previous prime is 8605951399. The next prime is 8605951421. The reversal of 8605951409 is 9041595068.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8605951409 - 2¹² = 8605947313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8605951489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29567 + ... + 134484.

It is an arithmetic number, because the mean of its divisors is an integer number (620116560).

Almost surely, 2^8605951409 is an apocalyptic number.

It is an amenable number.

8605951409 is a deficient number, since it is larger than the sum of its proper divisors (1315913551).

8605951409 is a wasteful number, since it uses less digits than its factorization.

8605951409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164332.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 8605951409 is about 92768.2672523315. The cubic root of 8605951409 is about 2049.2721119164.

The spelling of 8605951409 in words is "eight billion, six hundred five million, nine hundred fifty-one thousand, four hundred nine".