42044003017 has 2 divisors, whose sum is σ = 42044003018. Its totient is φ = 42044003016.

The previous prime is 42044003009. The next prime is 42044003069. The reversal of 42044003017 is 71030044024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34910680336 + 7133322681 = 186844^2 + 84459^2 .

It is a cyclic number.

It is not a de Polignac number, because 42044003017 - 2³ = 42044003009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42044002982 and 42044003000.

It is not a weakly prime, because it can be changed into another prime (42044003077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21022001508 + 21022001509.

It is an arithmetic number, because the mean of its divisors is an integer number (21022001509).

Almost surely, 2^42044003017 is an apocalyptic number.

It is an amenable number.

42044003017 is a deficient number, since it is larger than the sum of its proper divisors (1).

42044003017 is an equidigital number, since it uses as much as digits as its factorization.

42044003017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The spelling of 42044003017 in words is "forty-two billion, forty-four million, three thousand, seventeen".