103419809 has 2 divisors, whose sum is σ = 103419810. Its totient is φ = 103419808.

The previous prime is 103419791. The next prime is 103419839. The reversal of 103419809 is 908914301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103083409 + 336400 = 10153^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 103419809 - 2²⁰ = 102371233 is a prime.

It is not a weakly prime, because it can be changed into another prime (103419839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51709904 + 51709905.

It is an arithmetic number, because the mean of its divisors is an integer number (51709905).

Almost surely, 2^103419809 is an apocalyptic number.

It is an amenable number.

103419809 is a deficient number, since it is larger than the sum of its proper divisors (1).

103419809 is an equidigital number, since it uses as much as digits as its factorization.

103419809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 103419809 is about 10169.5530383592. The cubic root of 103419809 is about 469.3908042064.

The spelling of 103419809 in words is "one hundred three million, four hundred nineteen thousand, eight hundred nine".