2147429808 has 120 divisors (see below), whose sum is σ = 6091038720. Its totient is φ = 706216320.

The previous prime is 2147429807. The next prime is 2147429827. The reversal of 2147429808 is 8089247412.

2147429808 is a `hidden beast` number, since 2 + 147 + 429 + 80 + 8 = 666.

It is a super-2 number, since 2×2147429808² = 9222909560573833728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147429803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4482913 + ... + 4483391.

It is an arithmetic number, because the mean of its divisors is an integer number (50758656).

Almost surely, 2^2147429808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2147429808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3045519360).

2147429808 is an abundant number, since it is smaller than the sum of its proper divisors (3943608912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2147429808 is a wasteful number, since it uses less digits than its factorization.

2147429808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 2147429808 is about 46340.3690965016. The cubic root of 2147429808 is about 1290.1483730546.

The spelling of 2147429808 in words is "two billion, one hundred forty-seven million, four hundred twenty-nine thousand, eight hundred eight".