2578693472704 has 28 divisors (see below), whose sum is σ = 5293546410600. Its totient is φ = 1244886503168.

The previous prime is 2578693472701. The next prime is 2578693472749. The reversal of 2578693472704 is 4072743968752.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2578693472701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694689274 + ... + 694692985.

It is an arithmetic number, because the mean of its divisors is an integer number (189055228950).

Almost surely, 2^{2578693472704} is an apocalyptic number.

It is an amenable number.

2578693472704 is an abundant number, since it is smaller than the sum of its proper divisors (2714852937896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2578693472704 is a wasteful number, since it uses less digits than its factorization.

2578693472704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389382300 (or 1389382290 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 64.

The spelling of 2578693472704 in words is "two trillion, five hundred seventy-eight billion, six hundred ninety-three million, four hundred seventy-two thousand, seven hundred four".