2135665366 has 4 divisors (see below), whose sum is σ = 3203498052. Its totient is φ = 1067832682.

The previous prime is 2135665349. The next prime is 2135665387. The reversal of 2135665366 is 6635665312.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2135665366² = 9122133111063827912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533916340 + ... + 533916343.

It is an arithmetic number, because the mean of its divisors is an integer number (800874513).

Almost surely, 2^2135665366 is an apocalyptic number.

2135665366 is a deficient number, since it is larger than the sum of its proper divisors (1067832686).

2135665366 is a wasteful number, since it uses less digits than its factorization.

2135665366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067832685.

The product of its digits is 583200, while the sum is 43.

The square root of 2135665366 is about 46213.2596340055. The cubic root of 2135665366 is about 1287.7880821536.

The spelling of 2135665366 in words is "two billion, one hundred thirty-five million, six hundred sixty-five thousand, three hundred sixty-six".