2042447377 has 2 divisors, whose sum is σ = 2042447378. Its totient is φ = 2042447376.

The previous prime is 2042447359. The next prime is 2042447413. The reversal of 2042447377 is 7737442402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1882778881 + 159668496 = 43391^2 + 12636^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042447377 - 2¹¹ = 2042445329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2042447977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021223688 + 1021223689.

It is an arithmetic number, because the mean of its divisors is an integer number (1021223689).

Almost surely, 2^2042447377 is an apocalyptic number.

It is an amenable number.

2042447377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042447377 is an equidigital number, since it uses as much as digits as its factorization.

2042447377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 263424, while the sum is 40.

The square root of 2042447377 is about 45193.4439603799. The cubic root of 2042447377 is about 1268.7721153433.

Adding to 2042447377 its reverse (7737442402), we get a palindrome (9779889779).

The spelling of 2042447377 in words is "two billion, forty-two million, four hundred forty-seven thousand, three hundred seventy-seven".