8416538089 has 4 divisors (see below), whose sum is σ = 8468173456. Its totient is φ = 8364902724.

The previous prime is 8416538087. The next prime is 8416538093. The reversal of 8416538089 is 9808356148.

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 a cyclic number.

It is not a de Polignac number, because 8416538089 - 2¹ = 8416538087 is a prime.

It is a super-2 number, since 2×8416538089² (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 (8416538087) 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, 25817439 + ... + 25817764.

It is an arithmetic number, because the mean of its divisors is an integer number (2117043364).

Almost surely, 2^8416538089 is an apocalyptic number.

It is an amenable number.

8416538089 is a deficient number, since it is larger than the sum of its proper divisors (51635367).

8416538089 is a wasteful number, since it uses less digits than its factorization.

8416538089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51635366.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The square root of 8416538089 is about 91741.6922069786. The cubic root of 8416538089 is about 2034.1259068038.

The spelling of 8416538089 in words is "eight billion, four hundred sixteen million, five hundred thirty-eight thousand, eighty-nine".