2043420122089 has 2 divisors, whose sum is σ = 2043420122090. Its totient is φ = 2043420122088.

The previous prime is 2043420122071. The next prime is 2043420122113. The reversal of 2043420122089 is 9802210243402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1234154355625 + 809265766464 = 1110925^2 + 899592^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043420122089 - 2⁵ = 2043420122057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2043420120089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021710061044 + 1021710061045.

It is an arithmetic number, because the mean of its divisors is an integer number (1021710061045).

Almost surely, 2^{2043420122089} is an apocalyptic number.

It is an amenable number.

2043420122089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043420122089 is an equidigital number, since it uses as much as digits as its factorization.

2043420122089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 2043420122089 in words is "two trillion, forty-three billion, four hundred twenty million, one hundred twenty-two thousand, eighty-nine".