42003414109 has 2 divisors, whose sum is σ = 42003414110. Its totient is φ = 42003414108.

The previous prime is 42003414083. The next prime is 42003414179. The reversal of 42003414109 is 90141430024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40034007225 + 1969406884 = 200085^2 + 44378^2 .

It is a cyclic number.

It is not a de Polignac number, because 42003414109 - 2²⁷ = 41869196381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42003414179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001707054 + 21001707055.

It is an arithmetic number, because the mean of its divisors is an integer number (21001707055).

Almost surely, 2^42003414109 is an apocalyptic number.

It is an amenable number.

42003414109 is a deficient number, since it is larger than the sum of its proper divisors (1).

42003414109 is an equidigital number, since it uses as much as digits as its factorization.

42003414109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 42003414109 in words is "forty-two billion, three million, four hundred fourteen thousand, one hundred nine".