4134420433421 has 16 divisors (see below), whose sum is σ = 4263394106880. Its totient is φ = 4007929345200.

The previous prime is 4134420433399. The next prime is 4134420433433. The reversal of 4134420433421 is 1243340244314.

It is not a de Polignac number, because 4134420433421 - 2⁶ = 4134420433357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4134423433421) 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, 827111 + ... + 2992148.

It is an arithmetic number, because the mean of its divisors is an integer number (266462131680).

Almost surely, 2^{4134420433421} is an apocalyptic number.

It is an amenable number.

4134420433421 is a deficient number, since it is larger than the sum of its proper divisors (128973673459).

4134420433421 is a wasteful number, since it uses less digits than its factorization.

4134420433421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819584.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 4134420433421 its reverse (1243340244314), we get a palindrome (5377760677735).

The spelling of 4134420433421 in words is "four trillion, one hundred thirty-four billion, four hundred twenty million, four hundred thirty-three thousand, four hundred twenty-one".