4021423132361 has 2 divisors, whose sum is σ = 4021423132362. Its totient is φ = 4021423132360.

The previous prime is 4021423132297. The next prime is 4021423132511. The reversal of 4021423132361 is 1632313241204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3613173697225 + 408249435136 = 1900835^2 + 638944^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021423132361 - 2⁶ = 4021423132297 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021423134361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010711566180 + 2010711566181.

It is an arithmetic number, because the mean of its divisors is an integer number (2010711566181).

Almost surely, 2^{4021423132361} is an apocalyptic number.

It is an amenable number.

4021423132361 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021423132361 is an equidigital number, since it uses as much as digits as its factorization.

4021423132361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 4021423132361 its reverse (1632313241204), we get a palindrome (5653736373565).

The spelling of 4021423132361 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred thirty-two thousand, three hundred sixty-one".