2665065602 has 4 divisors (see below), whose sum is σ = 3997598406. Its totient is φ = 1332532800.

The previous prime is 2665065551. The next prime is 2665065617. The reversal of 2665065602 is 2065605662.

2665065602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2065605662 = 2 ⋅1032802831.

It can be written as a sum of positive squares in only one way, i.e., 2195953321 + 469112281 = 46861^2 + 21659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666266399 + ... + 666266402.

Almost surely, 2^2665065602 is an apocalyptic number.

2665065602 is a deficient number, since it is larger than the sum of its proper divisors (1332532804).

2665065602 is a wasteful number, since it uses less digits than its factorization.

2665065602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332532803.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 2665065602 is about 51624.2733798743. The cubic root of 2665065602 is about 1386.4449640806. Note that the first 3 decimals are identical.

The spelling of 2665065602 in words is "two billion, six hundred sixty-five million, sixty-five thousand, six hundred two".