2043020423149 has 2 divisors, whose sum is σ = 2043020423150. Its totient is φ = 2043020423148.

The previous prime is 2043020423131. The next prime is 2043020423173. The reversal of 2043020423149 is 9413240203402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1474682353225 + 568338069924 = 1214365^2 + 753882^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043020423149 - 2⁷ = 2043020423021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043020423749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021510211574 + 1021510211575.

It is an arithmetic number, because the mean of its divisors is an integer number (1021510211575).

Almost surely, 2^{2043020423149} is an apocalyptic number.

It is an amenable number.

2043020423149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043020423149 is an equidigital number, since it uses as much as digits as its factorization.

2043020423149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 2043020423149 in words is "two trillion, forty-three billion, twenty million, four hundred twenty-three thousand, one hundred forty-nine".