2025664774 has 16 divisors (see below), whose sum is σ = 3508370208. Its totient is φ = 859191552.

The previous prime is 2025664747. The next prime is 2025664783. The reversal of 2025664774 is 4774665202.

It is a self number, because there is not a number n which added to its sum of digits gives 2025664774.

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, 744469 + ... + 747184.

It is an arithmetic number, because the mean of its divisors is an integer number (219273138).

Almost surely, 2^2025664774 is an apocalyptic number.

2025664774 is a deficient number, since it is larger than the sum of its proper divisors (1482705434).

2025664774 is a wasteful number, since it uses less digits than its factorization.

2025664774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491759.

The product of its (nonzero) digits is 564480, while the sum is 43.

The square root of 2025664774 is about 45007.3857716709. The cubic root of 2025664774 is about 1265.2874253014.

The spelling of 2025664774 in words is "two billion, twenty-five million, six hundred sixty-four thousand, seven hundred seventy-four".