42756270943 has 2 divisors, whose sum is σ = 42756270944. Its totient is φ = 42756270942.

The previous prime is 42756270913. The next prime is 42756271031. The reversal of 42756270943 is 34907265724.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42756270943 is a prime.

It is a super-2 number, since 2×42756270943² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42756270913) 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, 21378135471 + 21378135472.

It is an arithmetic number, because the mean of its divisors is an integer number (21378135472).

Almost surely, 2^42756270943 is an apocalyptic number.

42756270943 is a deficient number, since it is larger than the sum of its proper divisors (1).

42756270943 is an equidigital number, since it uses as much as digits as its factorization.

42756270943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 42756270943 in words is "forty-two billion, seven hundred fifty-six million, two hundred seventy thousand, nine hundred forty-three".