8434719147 has 4 divisors (see below), whose sum is σ = 11246292200. Its totient is φ = 5623146096.

The previous prime is 8434719121. The next prime is 8434719149. The reversal of 8434719147 is 7419174348.

It is a happy number.

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

It is not a de Polignac number, because 8434719147 - 2⁷ = 8434719019 is a prime.

It is a super-2 number, since 2×8434719147² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8434719096 and 8434719105.

It is not an unprimeable number, because it can be changed into a prime (8434719149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405786522 + ... + 1405786527.

It is an arithmetic number, because the mean of its divisors is an integer number (2811573050).

Almost surely, 2^8434719147 is an apocalyptic number.

8434719147 is a deficient number, since it is larger than the sum of its proper divisors (2811573053).

8434719147 is a wasteful number, since it uses less digits than its factorization.

8434719147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811573052.

The product of its digits is 677376, while the sum is 48.

The square root of 8434719147 is about 91840.7270604932. The cubic root of 8434719147 is about 2035.5895316818.

The spelling of 8434719147 in words is "eight billion, four hundred thirty-four million, seven hundred nineteen thousand, one hundred forty-seven".