2668136034250 has 32 divisors (see below), whose sum is σ = 5028272542800. Its totient is φ = 1060091617600.

The previous prime is 2668136034241. The next prime is 2668136034283. The reversal of 2668136034250 is 524306318662.

It is a Cunningham number, because it is equal to 1633443²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 2668136034249 = 1^2 + 1633443^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2668136034250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35776657 + ... + 35851156.

Almost surely, 2^{2668136034250} is an apocalyptic number.

2668136034250 is a deficient number, since it is larger than the sum of its proper divisors (2360136508550).

2668136034250 is a wasteful number, since it uses less digits than its factorization.

2668136034250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71627979 (or 71627969 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 2668136034250 in words is "two trillion, six hundred sixty-eight billion, one hundred thirty-six million, thirty-four thousand, two hundred fifty".