1314412262509 has 2 divisors, whose sum is σ = 1314412262510. Its totient is φ = 1314412262508.

The previous prime is 1314412262447. The next prime is 1314412262531. The reversal of 1314412262509 is 9052622144131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1102815022500 + 211597240009 = 1050150^2 + 459997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314412262509 - 2⁹ = 1314412261997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314412266509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657206131254 + 657206131255.

It is an arithmetic number, because the mean of its divisors is an integer number (657206131255).

Almost surely, 2^{1314412262509} is an apocalyptic number.

It is an amenable number.

1314412262509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314412262509 is an equidigital number, since it uses as much as digits as its factorization.

1314412262509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 1314412262509 in words is "one trillion, three hundred fourteen billion, four hundred twelve million, two hundred sixty-two thousand, five hundred nine".