2655643008464 has 30 divisors (see below), whose sum is σ = 5430366973890. Its totient is φ = 1257936159168.

The previous prime is 2655643008463. The next prime is 2655643008517. The reversal of 2655643008464 is 4648003465562.

It can be written as a sum of positive squares in only one way, i.e., 1906310398864 + 749332609600 = 1380692^2 + 865640^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655643008463) 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 5 ways as a sum of consecutive naturals, for example, 229880219 + ... + 229891770.

It is an arithmetic number, because the mean of its divisors is an integer number (181012232463).

Almost surely, 2^{2655643008464} is an apocalyptic number.

It is an amenable number.

2655643008464 is an abundant number, since it is smaller than the sum of its proper divisors (2774723965426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2655643008464 is a wasteful number, since it uses less digits than its factorization.

2655643008464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459772035 (or 459772010 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 53.

The spelling of 2655643008464 in words is "two trillion, six hundred fifty-five billion, six hundred forty-three million, eight thousand, four hundred sixty-four".