2122453654361 has 2 divisors, whose sum is σ = 2122453654362. Its totient is φ = 2122453654360.

The previous prime is 2122453654357. The next prime is 2122453654367. The reversal of 2122453654361 is 1634563542212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1915646996761 + 206806657600 = 1384069^2 + 454760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122453654361 - 2² = 2122453654357 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122453654367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061226827180 + 1061226827181.

It is an arithmetic number, because the mean of its divisors is an integer number (1061226827181).

Almost surely, 2^{2122453654361} is an apocalyptic number.

It is an amenable number.

2122453654361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122453654361 is an equidigital number, since it uses as much as digits as its factorization.

2122453654361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 44.

The spelling of 2122453654361 in words is "two trillion, one hundred twenty-two billion, four hundred fifty-three million, six hundred fifty-four thousand, three hundred sixty-one".