2420638273 has 2 divisors, whose sum is σ = 2420638274. Its totient is φ = 2420638272.

The previous prime is 2420638261. The next prime is 2420638277. The reversal of 2420638273 is 3728360242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1805995009 + 614643264 = 42497^2 + 24792^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420638273 - 2²⁵ = 2387083841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2420638277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210319136 + 1210319137.

It is an arithmetic number, because the mean of its divisors is an integer number (1210319137).

Almost surely, 2^2420638273 is an apocalyptic number.

It is an amenable number.

2420638273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420638273 is an equidigital number, since it uses as much as digits as its factorization.

2420638273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 2420638273 is about 49199.9824491839. The cubic root of 2420638273 is about 1342.6927128632.

The spelling of 2420638273 in words is "two billion, four hundred twenty million, six hundred thirty-eight thousand, two hundred seventy-three".