42034034447 has 2 divisors, whose sum is σ = 42034034448. Its totient is φ = 42034034446.

The previous prime is 42034034407. The next prime is 42034034479. The reversal of 42034034447 is 74443043024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42034034447 - 2²² = 42029840143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42034034407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21017017223 + 21017017224.

It is an arithmetic number, because the mean of its divisors is an integer number (21017017224).

Almost surely, 2^42034034447 is an apocalyptic number.

42034034447 is a deficient number, since it is larger than the sum of its proper divisors (1).

42034034447 is an equidigital number, since it uses as much as digits as its factorization.

42034034447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 35.

The spelling of 42034034447 in words is "forty-two billion, thirty-four million, thirty-four thousand, four hundred forty-seven".