2604764538155 has 8 divisors (see below), whose sum is σ = 3366157249392. Its totient is φ = 1923518428128.

The previous prime is 2604764538133. The next prime is 2604764538163. The reversal of 2604764538155 is 5518354674062.

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 2604764538155 - 2⁸ = 2604764537899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2604764538155.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20036650229 + ... + 20036650358.

It is an arithmetic number, because the mean of its divisors is an integer number (420769656174).

Almost surely, 2^{2604764538155} is an apocalyptic number.

2604764538155 is a deficient number, since it is larger than the sum of its proper divisors (761392711237).

2604764538155 is a wasteful number, since it uses less digits than its factorization.

2604764538155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40073300605.

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 2604764538155 in words is "two trillion, six hundred four billion, seven hundred sixty-four million, five hundred thirty-eight thousand, one hundred fifty-five".