42943635047 has 2 divisors, whose sum is σ = 42943635048. Its totient is φ = 42943635046.

The previous prime is 42943635013. The next prime is 42943635071. The reversal of 42943635047 is 74053634924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42943635047 - 2²² = 42939440743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42943634992 and 42943635010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42943635947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21471817523 + 21471817524.

It is an arithmetic number, because the mean of its divisors is an integer number (21471817524).

Almost surely, 2^42943635047 is an apocalyptic number.

42943635047 is a deficient number, since it is larger than the sum of its proper divisors (1).

42943635047 is an equidigital number, since it uses as much as digits as its factorization.

42943635047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 42943635047 in words is "forty-two billion, nine hundred forty-three million, six hundred thirty-five thousand, forty-seven".