103691500609 has 2 divisors, whose sum is σ = 103691500610. Its totient is φ = 103691500608.

The previous prime is 103691500607. The next prime is 103691500651. The reversal of 103691500609 is 906005196301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93225187584 + 10466313025 = 305328^2 + 102305^2 .

It is a cyclic number.

It is not a de Polignac number, because 103691500609 - 2¹ = 103691500607 is a prime.

Together with 103691500607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103691500603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51845750304 + 51845750305.

It is an arithmetic number, because the mean of its divisors is an integer number (51845750305).

Almost surely, 2^103691500609 is an apocalyptic number.

It is an amenable number.

103691500609 is a deficient number, since it is larger than the sum of its proper divisors (1).

103691500609 is an equidigital number, since it uses as much as digits as its factorization.

103691500609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 103691500609 in words is "one hundred three billion, six hundred ninety-one million, five hundred thousand, six hundred nine".