2152040420273 has 2 divisors, whose sum is σ = 2152040420274. Its totient is φ = 2152040420272.

The previous prime is 2152040420213. The next prime is 2152040420281. The reversal of 2152040420273 is 3720240402512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1637754943504 + 514285476769 = 1279748^2 + 717137^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152040420273 - 2⁸ = 2152040420017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2152040420213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076020210136 + 1076020210137.

It is an arithmetic number, because the mean of its divisors is an integer number (1076020210137).

Almost surely, 2^{2152040420273} is an apocalyptic number.

It is an amenable number.

2152040420273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152040420273 is an equidigital number, since it uses as much as digits as its factorization.

2152040420273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 32.

Adding to 2152040420273 its reverse (3720240402512), we get a palindrome (5872280822785).

The spelling of 2152040420273 in words is "two trillion, one hundred fifty-two billion, forty million, four hundred twenty thousand, two hundred seventy-three".