4278637241 has 2 divisors, whose sum is σ = 4278637242. Its totient is φ = 4278637240.

The previous prime is 4278637229. The next prime is 4278637249. The reversal of 4278637241 is 1427368724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2480538025 + 1798099216 = 49805^2 + 42404^2 .

It is a cyclic number.

It is not a de Polignac number, because 4278637241 - 2¹⁰ = 4278636217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4278637192 and 4278637201.

It is not a weakly prime, because it can be changed into another prime (4278637249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139318620 + 2139318621.

It is an arithmetic number, because the mean of its divisors is an integer number (2139318621).

Almost surely, 2^4278637241 is an apocalyptic number.

It is an amenable number.

4278637241 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278637241 is an equidigital number, since it uses as much as digits as its factorization.

4278637241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 44.

The square root of 4278637241 is about 65411.2929164376. The cubic root of 4278637241 is about 1623.4359377241.

The spelling of 4278637241 in words is "four billion, two hundred seventy-eight million, six hundred thirty-seven thousand, two hundred forty-one".