4021423136141 has 2 divisors, whose sum is σ = 4021423136142. Its totient is φ = 4021423136140.

The previous prime is 4021423136099. The next prime is 4021423136147. The reversal of 4021423136141 is 1416313241204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2012340844900 + 2009082291241 = 1418570^2 + 1417421^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021423136141 - 2¹⁴ = 4021423119757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4021423136098 and 4021423136107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021423136147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010711568070 + 2010711568071.

It is an arithmetic number, because the mean of its divisors is an integer number (2010711568071).

Almost surely, 2^{4021423136141} is an apocalyptic number.

It is an amenable number.

4021423136141 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021423136141 is an equidigital number, since it uses as much as digits as its factorization.

4021423136141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 4021423136141 its reverse (1416313241204), we get a palindrome (5437736377345).

The spelling of 4021423136141 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred thirty-six thousand, one hundred forty-one".