4042656562403 has 2 divisors, whose sum is σ = 4042656562404. Its totient is φ = 4042656562402.

The previous prime is 4042656562331. The next prime is 4042656562409. The reversal of 4042656562403 is 3042656562404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4042656562403 - 2¹⁸ = 4042656300259 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042656562409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021328281201 + 2021328281202.

It is an arithmetic number, because the mean of its divisors is an integer number (2021328281202).

Almost surely, 2^{4042656562403} is an apocalyptic number.

4042656562403 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042656562403 is an equidigital number, since it uses as much as digits as its factorization.

4042656562403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 47.

Subtracting from 4042656562403 its reverse (3042656562404), we obtain a palindrome (999999999999).

The spelling of 4042656562403 in words is "four trillion, forty-two billion, six hundred fifty-six million, five hundred sixty-two thousand, four hundred three".