2520348459809 has 2 divisors, whose sum is σ = 2520348459810. Its totient is φ = 2520348459808.

The previous prime is 2520348459781. The next prime is 2520348459829. The reversal of 2520348459809 is 9089548430252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1638950446225 + 881398013584 = 1280215^2 + 938828^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520348459809 - 2³⁶ = 2451628983073 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520348459829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260174229904 + 1260174229905.

It is an arithmetic number, because the mean of its divisors is an integer number (1260174229905).

Almost surely, 2^{2520348459809} is an apocalyptic number.

It is an amenable number.

2520348459809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520348459809 is an equidigital number, since it uses as much as digits as its factorization.

2520348459809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24883200, while the sum is 59.

The spelling of 2520348459809 in words is "two trillion, five hundred twenty billion, three hundred forty-eight million, four hundred fifty-nine thousand, eight hundred nine".