2647320106544 has 20 divisors (see below), whose sum is σ = 5129861314440. Its totient is φ = 1323484928640.

The previous prime is 2647320106469. The next prime is 2647320106559. The reversal of 2647320106544 is 4456010237462.

It is a junction number, because it is equal to n+sod(n) for n = 2647320106495 and 2647320106504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10820534 + ... + 11062485.

It is an arithmetic number, because the mean of its divisors is an integer number (256493065722).

Almost surely, 2^{2647320106544} is an apocalyptic number.

It is an amenable number.

2647320106544 is a deficient number, since it is larger than the sum of its proper divisors (2482541207896).

2647320106544 is a wasteful number, since it uses less digits than its factorization.

2647320106544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21890588 (or 21890582 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 2647320106544 in words is "two trillion, six hundred forty-seven billion, three hundred twenty million, one hundred six thousand, five hundred forty-four".