4278310114721 has 2 divisors, whose sum is σ = 4278310114722. Its totient is φ = 4278310114720.

The previous prime is 4278310114711. The next prime is 4278310114759. The reversal of 4278310114721 is 1274110138724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3759817950625 + 518492164096 = 1939025^2 + 720064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4278310114721 is a prime.

It is not a weakly prime, because it can be changed into another prime (4278310114711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139155057360 + 2139155057361.

It is an arithmetic number, because the mean of its divisors is an integer number (2139155057361).

Almost surely, 2^{4278310114721} is an apocalyptic number.

It is an amenable number.

4278310114721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278310114721 is an equidigital number, since it uses as much as digits as its factorization.

4278310114721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 4278310114721 in words is "four trillion, two hundred seventy-eight billion, three hundred ten million, one hundred fourteen thousand, seven hundred twenty-one".