2656552130645 has 24 divisors (see below), whose sum is σ = 3708516197304. Its totient is φ = 1821544238976.

The previous prime is 2656552130569. The next prime is 2656552130657. The reversal of 2656552130645 is 5460312556562.

It can be written as a sum of positive squares in 4 ways, for example, as 1217065684849 + 1439486445796 = 1103207^2 + 1199786^2 .

It is not a de Polignac number, because 2656552130645 - 2¹² = 2656552126549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2656552130593 and 2656552130602.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4807787 + ... + 5331783.

It is an arithmetic number, because the mean of its divisors is an integer number (154521508221).

Almost surely, 2^{2656552130645} is an apocalyptic number.

It is an amenable number.

2656552130645 is a deficient number, since it is larger than the sum of its proper divisors (1051964066659).

2656552130645 is a wasteful number, since it uses less digits than its factorization.

2656552130645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544709 (or 544702 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 2656552130645 in words is "two trillion, six hundred fifty-six billion, five hundred fifty-two million, one hundred thirty thousand, six hundred forty-five".