2148663247273 has 2 divisors, whose sum is σ = 2148663247274. Its totient is φ = 2148663247272.

The previous prime is 2148663247229. The next prime is 2148663247351. The reversal of 2148663247273 is 3727423668412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1362759721129 + 785903526144 = 1167373^2 + 886512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148663247273 - 2²¹ = 2148661150121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2148663247373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074331623636 + 1074331623637.

It is an arithmetic number, because the mean of its divisors is an integer number (1074331623637).

Almost surely, 2^{2148663247273} is an apocalyptic number.

It is an amenable number.

2148663247273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148663247273 is an equidigital number, since it uses as much as digits as its factorization.

2148663247273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 55.

The spelling of 2148663247273 in words is "two trillion, one hundred forty-eight billion, six hundred sixty-three million, two hundred forty-seven thousand, two hundred seventy-three".