2008938917 has 2 divisors, whose sum is σ = 2008938918. Its totient is φ = 2008938916.

The previous prime is 2008938901. The next prime is 2008938937. The reversal of 2008938917 is 7198398002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1910651521 + 98287396 = 43711^2 + 9914^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008938917 - 2⁴ = 2008938901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2008938937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004469458 + 1004469459.

It is an arithmetic number, because the mean of its divisors is an integer number (1004469459).

Almost surely, 2^2008938917 is an apocalyptic number.

It is an amenable number.

2008938917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008938917 is an equidigital number, since it uses as much as digits as its factorization.

2008938917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 2008938917 is about 44821.1882595721. The cubic root of 2008938917 is about 1261.7953152935.

The spelling of 2008938917 in words is "two billion, eight million, nine hundred thirty-eight thousand, nine hundred seventeen".