4027434129 has 14 divisors (see below), whose sum is σ = 6038389986. Its totient is φ = 2684955600.

The previous prime is 4027434109. The next prime is 4027434211. The reversal of 4027434129 is 9214347204.

4027434129 is a `hidden beast` number, since 40 + 274 + 341 + 2 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2986403904 + 1041030225 = 54648^2 + 32265^2 .

It is not a de Polignac number, because 4027434129 - 2¹¹ = 4027432081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4027434093 and 4027434102.

It is not an unprimeable number, because it can be changed into a prime (4027434109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2761572 + ... + 2763029.

Almost surely, 2^4027434129 is an apocalyptic number.

It is an amenable number.

4027434129 is a deficient number, since it is larger than the sum of its proper divisors (2010955857).

4027434129 is an frugal number, since it uses more digits than its factorization.

4027434129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524619 (or 5524604 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 4027434129 is about 63462.0684267382. The cubic root of 4027434129 is about 1591.0218671518.

The spelling of 4027434129 in words is "four billion, twenty-seven million, four hundred thirty-four thousand, one hundred twenty-nine".