8434719238 has 16 divisors (see below), whose sum is σ = 14062689936. Its totient is φ = 3761623840.

The previous prime is 8434719211. The next prime is 8434719239. The reversal of 8434719238 is 8329174348.

It is a happy number.

It is a super-2 number, since 2×8434719238² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8434719191 and 8434719200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8434719239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3615781 + ... + 3618112.

It is an arithmetic number, because the mean of its divisors is an integer number (878918121).

Almost surely, 2^8434719238 is an apocalyptic number.

8434719238 is a deficient number, since it is larger than the sum of its proper divisors (5627970698).

8434719238 is a wasteful number, since it uses less digits than its factorization.

8434719238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233959.

The product of its digits is 1161216, while the sum is 49.

The square root of 8434719238 is about 91840.7275559161. The cubic root of 8434719238 is about 2035.5895390023.

The spelling of 8434719238 in words is "eight billion, four hundred thirty-four million, seven hundred nineteen thousand, two hundred thirty-eight".