42034323547 has 2 divisors, whose sum is σ = 42034323548. Its totient is φ = 42034323546.

The previous prime is 42034323511. The next prime is 42034323559. The reversal of 42034323547 is 74532343024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42034323547 - 2²³ = 42025934939 is a prime.

It is a super-2 number, since 2×42034323547² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42034323577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21017161773 + 21017161774.

It is an arithmetic number, because the mean of its divisors is an integer number (21017161774).

Almost surely, 2^42034323547 is an apocalyptic number.

42034323547 is a deficient number, since it is larger than the sum of its proper divisors (1).

42034323547 is an equidigital number, since it uses as much as digits as its factorization.

42034323547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 37.

The spelling of 42034323547 in words is "forty-two billion, thirty-four million, three hundred twenty-three thousand, five hundred forty-seven".