2162238640049 has 2 divisors, whose sum is σ = 2162238640050. Its totient is φ = 2162238640048.

The previous prime is 2162238640039. The next prime is 2162238640141. The reversal of 2162238640049 is 9400468322612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1783974279025 + 378264361024 = 1335655^2 + 615032^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162238640049 - 2¹⁶ = 2162238574513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2162238639985 and 2162238640012.

It is not a weakly prime, because it can be changed into another prime (2162238640039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081119320024 + 1081119320025.

It is an arithmetic number, because the mean of its divisors is an integer number (1081119320025).

Almost surely, 2^{2162238640049} is an apocalyptic number.

It is an amenable number.

2162238640049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162238640049 is an equidigital number, since it uses as much as digits as its factorization.

2162238640049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 2162238640049 in words is "two trillion, one hundred sixty-two billion, two hundred thirty-eight million, six hundred forty thousand, forty-nine".