2143020004001 has 2 divisors, whose sum is σ = 2143020004002. Its totient is φ = 2143020004000.

The previous prime is 2143020003923. The next prime is 2143020004033. The reversal of 2143020004001 is 1004000203412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2039686686976 + 103333317025 = 1428176^2 + 321455^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143020004001 - 2²⁶ = 2142952895137 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143020007001) 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, 1071510002000 + 1071510002001.

It is an arithmetic number, because the mean of its divisors is an integer number (1071510002001).

Almost surely, 2^{2143020004001} is an apocalyptic number.

It is an amenable number.

2143020004001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143020004001 is an equidigital number, since it uses as much as digits as its factorization.

2143020004001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2143020004001 its reverse (1004000203412), we get a palindrome (3147020207413).

The spelling of 2143020004001 in words is "two trillion, one hundred forty-three billion, twenty million, four thousand, one".