4126435043421 has 16 divisors (see below), whose sum is σ = 5791542549440. Its totient is φ = 2606144855040.

The previous prime is 4126435043411. The next prime is 4126435043441. The reversal of 4126435043421 is 1243405346214.

It is not a de Polignac number, because 4126435043421 - 2⁷ = 4126435043293 is a prime.

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 4126435043421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4126435043411) 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, 7172541 + ... + 7726461.

It is an arithmetic number, because the mean of its divisors is an integer number (361971409340).

Almost surely, 2^{4126435043421} is an apocalyptic number.

It is an amenable number.

4126435043421 is a deficient number, since it is larger than the sum of its proper divisors (1665107506019).

4126435043421 is a wasteful number, since it uses less digits than its factorization.

4126435043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684636.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 4126435043421 in words is "four trillion, one hundred twenty-six billion, four hundred thirty-five million, forty-three thousand, four hundred twenty-one".