7427126017 has 2 divisors, whose sum is σ = 7427126018. Its totient is φ = 7427126016.

The previous prime is 7427125961. The next prime is 7427126081. The reversal of 7427126017 is 7106217247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4950670321 + 2476455696 = 70361^2 + 49764^2 .

It is an emirp because it is prime and its reverse (7106217247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7427126017 - 2¹⁹ = 7426601729 is a prime.

It is not a weakly prime, because it can be changed into another prime (7427126417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3713563008 + 3713563009.

It is an arithmetic number, because the mean of its divisors is an integer number (3713563009).

Almost surely, 2^7427126017 is an apocalyptic number.

It is an amenable number.

7427126017 is a deficient number, since it is larger than the sum of its proper divisors (1).

7427126017 is an equidigital number, since it uses as much as digits as its factorization.

7427126017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 7427126017 is about 86180.7752169821. The cubic root of 7427126017 is about 1951.0733531496.

The spelling of 7427126017 in words is "seven billion, four hundred twenty-seven million, one hundred twenty-six thousand, seventeen".