4234121329 has 16 divisors (see below), whose sum is σ = 4605652480. Its totient is φ = 3877735680.

The previous prime is 4234121323. The next prime is 4234121341. The reversal of 4234121329 is 9231214324.

It is a cyclic number.

It is not a de Polignac number, because 4234121329 - 2¹⁹ = 4233597041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4234121329.

It is not an unprimeable number, because it can be changed into a prime (4234121323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640489 + ... + 647065.

It is an arithmetic number, because the mean of its divisors is an integer number (287853280).

Almost surely, 2^4234121329 is an apocalyptic number.

It is an amenable number.

4234121329 is a deficient number, since it is larger than the sum of its proper divisors (371531151).

4234121329 is a wasteful number, since it uses less digits than its factorization.

4234121329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720.

The product of its digits is 10368, while the sum is 31.

The square root of 4234121329 is about 65070.1262408488. The cubic root of 4234121329 is about 1617.7860995867.

The spelling of 4234121329 in words is "four billion, two hundred thirty-four million, one hundred twenty-one thousand, three hundred twenty-nine".