2042000549 has 2 divisors, whose sum is σ = 2042000550. Its totient is φ = 2042000548.

The previous prime is 2042000533. The next prime is 2042000579. The reversal of 2042000549 is 9450002402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1463598049 + 578402500 = 38257^2 + 24050^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042000549 - 2⁴ = 2042000533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042000579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021000274 + 1021000275.

It is an arithmetic number, because the mean of its divisors is an integer number (1021000275).

Almost surely, 2^2042000549 is an apocalyptic number.

It is an amenable number.

2042000549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042000549 is an equidigital number, since it uses as much as digits as its factorization.

2042000549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2042000549 is about 45188.5001853348. The cubic root of 2042000549 is about 1268.6795851333.

The spelling of 2042000549 in words is "two billion, forty-two million, five hundred forty-nine", and thus it is an aban number.