2042955049 has 2 divisors, whose sum is σ = 2042955050. Its totient is φ = 2042955048.

The previous prime is 2042955043. The next prime is 2042955067. The reversal of 2042955049 is 9405592402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1137847824 + 905107225 = 33732^2 + 30085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042955049 - 2¹¹ = 2042953001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2042955043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021477524 + 1021477525.

It is an arithmetic number, because the mean of its divisors is an integer number (1021477525).

Almost surely, 2^2042955049 is an apocalyptic number.

It is an amenable number.

2042955049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042955049 is an equidigital number, since it uses as much as digits as its factorization.

2042955049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 2042955049 is about 45199.0602667799. The cubic root of 2042955049 is about 1268.8772288988.

The spelling of 2042955049 in words is "two billion, forty-two million, nine hundred fifty-five thousand, forty-nine".