2604645064405 has 8 divisors (see below), whose sum is σ = 3126105763200. Its totient is φ = 2083361594256.

The previous prime is 2604645064379. The next prime is 2604645064433. The reversal of 2604645064405 is 5044605464062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2604645064405 - 2²¹ = 2604642967253 is a prime.

It is a congruent number.

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, 44274825 + ... + 44333614.

It is an arithmetic number, because the mean of its divisors is an integer number (390763220400).

Almost surely, 2^{2604645064405} is an apocalyptic number.

It is an amenable number.

2604645064405 is a deficient number, since it is larger than the sum of its proper divisors (521460698795).

2604645064405 is an equidigital number, since it uses as much as digits as its factorization.

2604645064405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88614323.

The product of its (nonzero) digits is 2764800, while the sum is 46.

The spelling of 2604645064405 in words is "two trillion, six hundred four billion, six hundred forty-five million, sixty-four thousand, four hundred five".