4278484528673 has 2 divisors, whose sum is σ = 4278484528674. Its totient is φ = 4278484528672.

The previous prime is 4278484528601. The next prime is 4278484528723. The reversal of 4278484528673 is 3768254848724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4278079995904 + 404532769 = 2068352^2 + 20113^2 .

It is a cyclic number.

It is not a de Polignac number, because 4278484528673 - 2²⁴ = 4278467751457 is a prime.

It is not a weakly prime, because it can be changed into another prime (4278484528573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139242264336 + 2139242264337.

It is an arithmetic number, because the mean of its divisors is an integer number (2139242264337).

Almost surely, 2^{4278484528673} is an apocalyptic number.

It is an amenable number.

4278484528673 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278484528673 is an equidigital number, since it uses as much as digits as its factorization.

4278484528673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 578027520, while the sum is 68.

The spelling of 4278484528673 in words is "four trillion, two hundred seventy-eight billion, four hundred eighty-four million, five hundred twenty-eight thousand, six hundred seventy-three".