2520884377609 has 4 divisors (see below), whose sum is σ = 2714798560516. Its totient is φ = 2326970194704.

The previous prime is 2520884377607. The next prime is 2520884377631. The reversal of 2520884377609 is 9067734880252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1515045880384 + 1005838497225 = 1230872^2 + 1002915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520884377609 - 2¹ = 2520884377607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520884377607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96957091434 + ... + 96957091459.

It is an arithmetic number, because the mean of its divisors is an integer number (678699640129).

Almost surely, 2^{2520884377609} is an apocalyptic number.

It is an amenable number.

2520884377609 is a deficient number, since it is larger than the sum of its proper divisors (193914182907).

2520884377609 is a wasteful number, since it uses less digits than its factorization.

2520884377609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193914182906.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 2520884377609 in words is "two trillion, five hundred twenty billion, eight hundred eighty-four million, three hundred seventy-seven thousand, six hundred nine".