2643460604044 has 24 divisors (see below), whose sum is σ = 5244112131440. Its totient is φ = 1155845121984.

The previous prime is 2643460603981. The next prime is 2643460604051. The reversal of 2643460604044 is 4404060643462.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337782719 + ... + 1337784694.

Almost surely, 2^{2643460604044} is an apocalyptic number.

It is an amenable number.

2643460604044 is a deficient number, since it is larger than the sum of its proper divisors (2600651527396).

2643460604044 is a wasteful number, since it uses less digits than its factorization.

2643460604044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675567449 (or 2675567447 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 43.

The spelling of 2643460604044 in words is "two trillion, six hundred forty-three billion, four hundred sixty million, six hundred four thousand, forty-four".