42740611267043 has 2 divisors, whose sum is σ = 42740611267044. Its totient is φ = 42740611267042.

The previous prime is 42740611267037. The next prime is 42740611267229. The reversal of 42740611267043 is 34076211604724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42740611267043 - 2¹⁸ = 42740611004899 is a prime.

It is not a weakly prime, because it can be changed into another prime (42740611267943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21370305633521 + 21370305633522.

It is an arithmetic number, because the mean of its divisors is an integer number (21370305633522).

Almost surely, 2^{42740611267043} is an apocalyptic number.

42740611267043 is a deficient number, since it is larger than the sum of its proper divisors (1).

42740611267043 is an equidigital number, since it uses as much as digits as its factorization.

42740611267043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 42740611267043 in words is "forty-two trillion, seven hundred forty billion, six hundred eleven million, two hundred sixty-seven thousand, forty-three".