2042405377 has 2 divisors, whose sum is σ = 2042405378. Its totient is φ = 2042405376.

The previous prime is 2042405341. The next prime is 2042405423. The reversal of 2042405377 is 7735042402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1844187136 + 198218241 = 42944^2 + 14079^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042405377 - 2¹⁹ = 2041881089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2042405327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021202688 + 1021202689.

It is an arithmetic number, because the mean of its divisors is an integer number (1021202689).

Almost surely, 2^2042405377 is an apocalyptic number.

It is an amenable number.

2042405377 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042405377 is an equidigital number, since it uses as much as digits as its factorization.

2042405377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 2042405377 is about 45192.9792888232. The cubic root of 2042405377 is about 1268.7634184576.

Adding to 2042405377 its reverse (7735042402), we get a palindrome (9777447779).

The spelling of 2042405377 in words is "two billion, forty-two million, four hundred five thousand, three hundred seventy-seven".