2604645064436 has 12 divisors (see below), whose sum is σ = 4563561680160. Its totient is φ = 1300770298680.

The previous prime is 2604645064433. The next prime is 2604645064451. The reversal of 2604645064436 is 6344605464062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604645064433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388054610 + ... + 388061321.

It is an arithmetic number, because the mean of its divisors is an integer number (380296806680).

Almost surely, 2^{2604645064436} is an apocalyptic number.

It is an amenable number.

2604645064436 is a deficient number, since it is larger than the sum of its proper divisors (1958916615724).

2604645064436 is a wasteful number, since it uses less digits than its factorization.

2604645064436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776116774 (or 776116772 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 50.

The spelling of 2604645064436 in words is "two trillion, six hundred four billion, six hundred forty-five million, sixty-four thousand, four hundred thirty-six".