4042134021361 has 2 divisors, whose sum is σ = 4042134021362. Its totient is φ = 4042134021360.

The previous prime is 4042134021307. The next prime is 4042134021371. The reversal of 4042134021361 is 1631204312404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3658268275600 + 383865745761 = 1912660^2 + 619569^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042134021361 - 2⁹ = 4042134020849 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042134021371) 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 as a sum of consecutive naturals, namely, 2021067010680 + 2021067010681.

It is an arithmetic number, because the mean of its divisors is an integer number (2021067010681).

Almost surely, 2^{4042134021361} is an apocalyptic number.

It is an amenable number.

4042134021361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042134021361 is an equidigital number, since it uses as much as digits as its factorization.

4042134021361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 4042134021361 its reverse (1631204312404), we get a palindrome (5673338333765).

The spelling of 4042134021361 in words is "four trillion, forty-two billion, one hundred thirty-four million, twenty-one thousand, three hundred sixty-one".