42170000459 has 2 divisors, whose sum is σ = 42170000460. Its totient is φ = 42170000458.

The previous prime is 42170000423. The next prime is 42170000479. The reversal of 42170000459 is 95400007124.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42170000459 - 2²⁰ = 42168951883 is a prime.

It is not a weakly prime, because it can be changed into another prime (42170000479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21085000229 + 21085000230.

It is an arithmetic number, because the mean of its divisors is an integer number (21085000230).

Almost surely, 2^42170000459 is an apocalyptic number.

42170000459 is a deficient number, since it is larger than the sum of its proper divisors (1).

42170000459 is an equidigital number, since it uses as much as digits as its factorization.

42170000459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 42170000459 in words is "forty-two billion, one hundred seventy million, four hundred fifty-nine", and thus it is an aban number.