1409405256097 has 2 divisors, whose sum is σ = 1409405256098. Its totient is φ = 1409405256096.

The previous prime is 1409405256089. The next prime is 1409405256137. The reversal of 1409405256097 is 7906525049041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 807483757201 + 601921498896 = 898601^2 + 775836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409405256097 - 2³ = 1409405256089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1409405256997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704702628048 + 704702628049.

It is an arithmetic number, because the mean of its divisors is an integer number (704702628049).

Almost surely, 2^{1409405256097} is an apocalyptic number.

It is an amenable number.

1409405256097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409405256097 is an equidigital number, since it uses as much as digits as its factorization.

1409405256097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 1409405256097 in words is "one trillion, four hundred nine billion, four hundred five million, two hundred fifty-six thousand, ninety-seven".