2665945474 has 16 divisors (see below), whose sum is σ = 4314041208. Its totient is φ = 1230890752.

The previous prime is 2665945459. The next prime is 2665945481. The reversal of 2665945474 is 4745495662.

2665945474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2348856225 + 317089249 = 48465^2 + 17807^2 .

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, 737917 + ... + 741520.

Almost surely, 2^2665945474 is an apocalyptic number.

2665945474 is a deficient number, since it is larger than the sum of its proper divisors (1648095734).

2665945474 is a wasteful number, since it uses less digits than its factorization.

2665945474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479509.

The product of its digits is 7257600, while the sum is 52.

The square root of 2665945474 is about 51632.7945592721. The cubic root of 2665945474 is about 1386.5975256633.

The spelling of 2665945474 in words is "two billion, six hundred sixty-five million, nine hundred forty-five thousand, four hundred seventy-four".