103040400409 has 2 divisors, whose sum is σ = 103040400410. Its totient is φ = 103040400408.

The previous prime is 103040400403. The next prime is 103040400413. The reversal of 103040400409 is 904004040301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101090294809 + 1950105600 = 317947^2 + 44160^2 .

It is a cyclic number.

It is not a de Polignac number, because 103040400409 - 2⁹ = 103040399897 is a prime.

It is not a weakly prime, because it can be changed into another prime (103040400403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51520200204 + 51520200205.

It is an arithmetic number, because the mean of its divisors is an integer number (51520200205).

Almost surely, 2^103040400409 is an apocalyptic number.

It is an amenable number.

103040400409 is a deficient number, since it is larger than the sum of its proper divisors (1).

103040400409 is an equidigital number, since it uses as much as digits as its factorization.

103040400409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 103040400409 in words is "one hundred three billion, forty million, four hundred thousand, four hundred nine".