4129438851 has 24 divisors (see below), whose sum is σ = 6096480000. Its totient is φ = 2692630512.

The previous prime is 4129438813. The next prime is 4129438867. The reversal of 4129438851 is 1588349214.

It is not a de Polignac number, because 4129438851 - 2¹⁴ = 4129422467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4129438797 and 4129438806.

It is not an unprimeable number, because it can be changed into a prime (4129438801) 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, 86130 + ... + 125208.

It is an arithmetic number, because the mean of its divisors is an integer number (254020000).

Almost surely, 2^4129438851 is an apocalyptic number.

4129438851 is a deficient number, since it is larger than the sum of its proper divisors (1967041149).

4129438851 is a wasteful number, since it uses less digits than its factorization.

4129438851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39343 (or 39340 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 4129438851 is about 64260.7100100831. The cubic root of 4129438851 is about 1604.3422220889.

The spelling of 4129438851 in words is "four billion, one hundred twenty-nine million, four hundred thirty-eight thousand, eight hundred fifty-one".