8484415681 has 4 divisors (see below), whose sum is σ = 9696475072. Its totient is φ = 7272356292.

The previous prime is 8484415673. The next prime is 8484415739. The reversal of 8484415681 is 1865144848.

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 8484415681 - 2³ = 8484415673 is a prime.

It is a super-2 number, since 2×8484415681² (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 (8484415081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606029685 + ... + 606029698.

It is an arithmetic number, because the mean of its divisors is an integer number (2424118768).

Almost surely, 2^8484415681 is an apocalyptic number.

It is an amenable number.

8484415681 is a deficient number, since it is larger than the sum of its proper divisors (1212059391).

8484415681 is a wasteful number, since it uses less digits than its factorization.

8484415681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212059390.

The product of its digits is 983040, while the sum is 49.

The square root of 8484415681 is about 92110.8879611960. The cubic root of 8484415681 is about 2039.5795366464.

The spelling of 8484415681 in words is "eight billion, four hundred eighty-four million, four hundred fifteen thousand, six hundred eighty-one".