39426923017 has 2 divisors, whose sum is σ = 39426923018. Its totient is φ = 39426923016.

The previous prime is 39426922993. The next prime is 39426923057. The reversal of 39426923017 is 71032962493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23161491721 + 16265431296 = 152189^2 + 127536^2 .

It is a cyclic number.

It is not a de Polignac number, because 39426923017 - 2⁷ = 39426922889 is a prime.

It is not a weakly prime, because it can be changed into another prime (39426923057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19713461508 + 19713461509.

It is an arithmetic number, because the mean of its divisors is an integer number (19713461509).

Almost surely, 2^39426923017 is an apocalyptic number.

It is an amenable number.

39426923017 is a deficient number, since it is larger than the sum of its proper divisors (1).

39426923017 is an equidigital number, since it uses as much as digits as its factorization.

39426923017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 39426923017 in words is "thirty-nine billion, four hundred twenty-six million, nine hundred twenty-three thousand, seventeen".