102103767809 has 2 divisors, whose sum is σ = 102103767810. Its totient is φ = 102103767808.

The previous prime is 102103767719. The next prime is 102103767833. The reversal of 102103767809 is 908767301201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69206877184 + 32896890625 = 263072^2 + 181375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102103767809 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102103767809.

It is not a weakly prime, because it can be changed into another prime (102103767109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51051883904 + 51051883905.

It is an arithmetic number, because the mean of its divisors is an integer number (51051883905).

Almost surely, 2^102103767809 is an apocalyptic number.

It is an amenable number.

102103767809 is a deficient number, since it is larger than the sum of its proper divisors (1).

102103767809 is an equidigital number, since it uses as much as digits as its factorization.

102103767809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 102103767809 in words is "one hundred two billion, one hundred three million, seven hundred sixty-seven thousand, eight hundred nine".