42014320109 has 2 divisors, whose sum is σ = 42014320110. Its totient is φ = 42014320108.

The previous prime is 42014320099. The next prime is 42014320237. The reversal of 42014320109 is 90102341024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23369236900 + 18645083209 = 152870^2 + 136547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42014320109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42014320609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21007160054 + 21007160055.

It is an arithmetic number, because the mean of its divisors is an integer number (21007160055).

Almost surely, 2^42014320109 is an apocalyptic number.

It is an amenable number.

42014320109 is a deficient number, since it is larger than the sum of its proper divisors (1).

42014320109 is an equidigital number, since it uses as much as digits as its factorization.

42014320109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 42014320109 in words is "forty-two billion, fourteen million, three hundred twenty thousand, one hundred nine".