42942056599679 has 2 divisors, whose sum is σ = 42942056599680. Its totient is φ = 42942056599678.

The previous prime is 42942056599601. The next prime is 42942056599703. The reversal of 42942056599679 is 97699565024924.

42942056599679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42942056599679 - 2⁸ = 42942056599423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42942056509679) 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, 21471028299839 + 21471028299840.

It is an arithmetic number, because the mean of its divisors is an integer number (21471028299840).

Almost surely, 2^{42942056599679} is an apocalyptic number.

42942056599679 is a deficient number, since it is larger than the sum of its proper divisors (1).

42942056599679 is an equidigital number, since it uses as much as digits as its factorization.

42942056599679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2645395200, while the sum is 77.

The spelling of 42942056599679 in words is "forty-two trillion, nine hundred forty-two billion, fifty-six million, five hundred ninety-nine thousand, six hundred seventy-nine".