42340434219 has 12 divisors (see below), whose sum is σ = 62161002592. Its totient is φ = 27764218800.

The previous prime is 42340434163. The next prime is 42340434247. The reversal of 42340434219 is 91243404324.

42340434219 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 0 + 434 + 219 = 666.

It is not a de Polignac number, because 42340434219 - 2⁸ = 42340433963 is a prime.

It is a super-2 number, since 2×42340434219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42340434919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38560867 + ... + 38561964.

Almost surely, 2^42340434219 is an apocalyptic number.

42340434219 is a deficient number, since it is larger than the sum of its proper divisors (19820568373).

42340434219 is a wasteful number, since it uses less digits than its factorization.

42340434219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77122898 (or 77122895 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 42340434219 in words is "forty-two billion, three hundred forty million, four hundred thirty-four thousand, two hundred nineteen".