42143000117 has 2 divisors, whose sum is σ = 42143000118. Its totient is φ = 42143000116.

The previous prime is 42143000077. The next prime is 42143000167. The reversal of 42143000117 is 71100034124.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35932614481 + 6210385636 = 189559^2 + 78806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42143000117 is a prime.

It is a super-2 number, since 2×42143000117² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42143000092 and 42143000101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42143000167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21071500058 + 21071500059.

It is an arithmetic number, because the mean of its divisors is an integer number (21071500059).

Almost surely, 2^42143000117 is an apocalyptic number.

It is an amenable number.

42143000117 is a deficient number, since it is larger than the sum of its proper divisors (1).

42143000117 is an equidigital number, since it uses as much as digits as its factorization.

42143000117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The spelling of 42143000117 in words is "forty-two billion, one hundred forty-three million, one hundred seventeen", and thus it is an aban number.