4134320041421 has 16 divisors (see below), whose sum is σ = 4385079039600. Its totient is φ = 3890946662400.

The previous prime is 4134320041393. The next prime is 4134320041433. The reversal of 4134320041421 is 1241400234314.

It can be written as a sum of positive squares in 8 ways, for example, as 1112497562500 + 3021822478921 = 1054750^2 + 1738339^2 .

It is a cyclic number.

It is not a de Polignac number, because 4134320041421 - 2²² = 4134315847117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4134320011421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197540 + ... + 2882301.

It is an arithmetic number, because the mean of its divisors is an integer number (274067439975).

Almost surely, 2^{4134320041421} is an apocalyptic number.

4134320041421 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4134320041421 is a deficient number, since it is larger than the sum of its proper divisors (250758998179).

4134320041421 is a wasteful number, since it uses less digits than its factorization.

4134320041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081040.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4134320041421 its reverse (1241400234314), we get a palindrome (5375720275735).

The spelling of 4134320041421 in words is "four trillion, one hundred thirty-four billion, three hundred twenty million, forty-one thousand, four hundred twenty-one".