2591128405674 has 48 divisors (see below), whose sum is σ = 5910418968480. Its totient is φ = 818136447840.

The previous prime is 2591128405669. The next prime is 2591128405703. The reversal of 2591128405674 is 4765048211952.

2591128405674 is a `hidden beast` number, since 2 + 5 + 9 + 11 + 28 + 40 + 567 + 4 = 666.

2591128405674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2591128405674.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1930864 + ... + 2985044.

It is an arithmetic number, because the mean of its divisors is an integer number (123133728510).

Almost surely, 2^{2591128405674} is an apocalyptic number.

2591128405674 is an abundant number, since it is smaller than the sum of its proper divisors (3319290562806).

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

2591128405674 is a wasteful number, since it uses less digits than its factorization.

2591128405674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061395 (or 1061392 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 2591128405674 in words is "two trillion, five hundred ninety-one billion, one hundred twenty-eight million, four hundred five thousand, six hundred seventy-four".