2668194250 has 16 divisors (see below), whose sum is σ = 4994860104. Its totient is φ = 1067277600.

The previous prime is 2668194241. The next prime is 2668194253. The reversal of 2668194250 is 524918662.

2668194250 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 310217769 + 2357976481 = 17613^2 + 48559^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2668194197 and 2668194206.

It is not an unprimeable number, because it can be changed into a prime (2668194253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5336139 + ... + 5336638.

Almost surely, 2^2668194250 is an apocalyptic number.

2668194250 is a deficient number, since it is larger than the sum of its proper divisors (2326665854).

2668194250 is a wasteful number, since it uses less digits than its factorization.

2668194250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10672794 (or 10672784 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2668194250 is about 51654.5665938647. The cubic root of 2668194250 is about 1386.9872899376.

The spelling of 2668194250 in words is "two billion, six hundred sixty-eight million, one hundred ninety-four thousand, two hundred fifty".