2146525721273 has 2 divisors, whose sum is σ = 2146525721274. Its totient is φ = 2146525721272.

The previous prime is 2146525721261. The next prime is 2146525721359. The reversal of 2146525721273 is 3721275256412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2002700468224 + 143825253049 = 1415168^2 + 379243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146525721273 - 2⁴ = 2146525721257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2146525721573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073262860636 + 1073262860637.

It is an arithmetic number, because the mean of its divisors is an integer number (1073262860637).

Almost surely, 2^{2146525721273} is an apocalyptic number.

It is an amenable number.

2146525721273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146525721273 is an equidigital number, since it uses as much as digits as its factorization.

2146525721273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 47.

The spelling of 2146525721273 in words is "two trillion, one hundred forty-six billion, five hundred twenty-five million, seven hundred twenty-one thousand, two hundred seventy-three".