42535735447 has 2 divisors, whose sum is σ = 42535735448. Its totient is φ = 42535735446.

The previous prime is 42535735399. The next prime is 42535735481. The reversal of 42535735447 is 74453753524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42535735447 - 2²³ = 42527346839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42535735447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42535705447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21267867723 + 21267867724.

It is an arithmetic number, because the mean of its divisors is an integer number (21267867724).

Almost surely, 2^42535735447 is an apocalyptic number.

42535735447 is a deficient number, since it is larger than the sum of its proper divisors (1).

42535735447 is an equidigital number, since it uses as much as digits as its factorization.

42535735447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056000, while the sum is 49.

The spelling of 42535735447 in words is "forty-two billion, five hundred thirty-five million, seven hundred thirty-five thousand, four hundred forty-seven".