42743349043 has 2 divisors, whose sum is σ = 42743349044. Its totient is φ = 42743349042.

The previous prime is 42743349001. The next prime is 42743349049. The reversal of 42743349043 is 34094334724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42743349043 is a prime.

It is not a weakly prime, because it can be changed into another prime (42743349049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21371674521 + 21371674522.

It is an arithmetic number, because the mean of its divisors is an integer number (21371674522).

Almost surely, 2^42743349043 is an apocalyptic number.

42743349043 is a deficient number, since it is larger than the sum of its proper divisors (1).

42743349043 is an equidigital number, since it uses as much as digits as its factorization.

42743349043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 43.

The spelling of 42743349043 in words is "forty-two billion, seven hundred forty-three million, three hundred forty-nine thousand, forty-three".