1409405256089 has 2 divisors, whose sum is σ = 1409405256090. Its totient is φ = 1409405256088.

The previous prime is 1409405255971. The next prime is 1409405256097. The reversal of 1409405256089 is 9806525049041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084738914064 + 324666342025 = 1041508^2 + 569795^2 .

It is a cyclic number.

It is not a de Polignac number, because 1409405256089 - 2⁸ = 1409405255833 is a prime.

It is a super-3 number, since 3×1409405256089³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1409405256089.

It is not a weakly prime, because it can be changed into another prime (1409405259089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704702628044 + 704702628045.

It is an arithmetic number, because the mean of its divisors is an integer number (704702628045).

Almost surely, 2^{1409405256089} is an apocalyptic number.

It is an amenable number.

1409405256089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409405256089 is an equidigital number, since it uses as much as digits as its factorization.

1409405256089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 1409405256089 in words is "one trillion, four hundred nine billion, four hundred five million, two hundred fifty-six thousand, eighty-nine".