6354136710809 has 2 divisors, whose sum is σ = 6354136710810. Its totient is φ = 6354136710808.

The previous prime is 6354136710763. The next prime is 6354136710839. The reversal of 6354136710809 is 9080176314536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5695072009225 + 659064701584 = 2386435^2 + 811828^2 .

It is a cyclic number.

It is not a de Polignac number, because 6354136710809 - 2¹⁶ = 6354136645273 is a prime.

It is not a weakly prime, because it can be changed into another prime (6354136710839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3177068355404 + 3177068355405.

It is an arithmetic number, because the mean of its divisors is an integer number (3177068355405).

Almost surely, 2^{6354136710809} is an apocalyptic number.

It is an amenable number.

6354136710809 is a deficient number, since it is larger than the sum of its proper divisors (1).

6354136710809 is an equidigital number, since it uses as much as digits as its factorization.

6354136710809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 6354136710809 in words is "six trillion, three hundred fifty-four billion, one hundred thirty-six million, seven hundred ten thousand, eight hundred nine".