3565640645650 has 12 divisors (see below), whose sum is σ = 6632091601002. Its totient is φ = 1426256258240.

The previous prime is 3565640645599. The next prime is 3565640645687. The reversal of 3565640645650 is 565460465653.

It can be written as a sum of positive squares in 3 ways, for example, as 2850866779401 + 714773866249 = 1688451^2 + 845443^2 .

It is a super-2 number, since 2×3565640645650² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3565640645591 and 3565640645600.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35656406407 + ... + 35656406506.

Almost surely, 2^{3565640645650} is an apocalyptic number.

3565640645650 is a deficient number, since it is larger than the sum of its proper divisors (3066450955352).

3565640645650 is a wasteful number, since it uses less digits than its factorization.

3565640645650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71312812925 (or 71312812920 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 55.

The spelling of 3565640645650 in words is "three trillion, five hundred sixty-five billion, six hundred forty million, six hundred forty-five thousand, six hundred fifty".