103199984617 has 2 divisors, whose sum is σ = 103199984618. Its totient is φ = 103199984616.

The previous prime is 103199984597. The next prime is 103199984639. The reversal of 103199984617 is 716489991301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103197707536 + 2277081 = 321244^2 + 1509^2 .

It is a cyclic number.

It is not a de Polignac number, because 103199984617 - 2¹⁵ = 103199951849 is a prime.

It is not a weakly prime, because it can be changed into another prime (103199981617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51599992308 + 51599992309.

It is an arithmetic number, because the mean of its divisors is an integer number (51599992309).

Almost surely, 2^103199984617 is an apocalyptic number.

It is an amenable number.

103199984617 is a deficient number, since it is larger than the sum of its proper divisors (1).

103199984617 is an equidigital number, since it uses as much as digits as its factorization.

103199984617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The spelling of 103199984617 in words is "one hundred three billion, one hundred ninety-nine million, nine hundred eighty-four thousand, six hundred seventeen".