7426420284317 has 2 divisors, whose sum is σ = 7426420284318. Its totient is φ = 7426420284316.

The previous prime is 7426420284299. The next prime is 7426420284359. The reversal of 7426420284317 is 7134820246247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5622110467801 + 1804309816516 = 2371099^2 + 1343246^2 .

It is a cyclic number.

It is not a de Polignac number, because 7426420284317 - 2²⁶ = 7426353175453 is a prime.

It is a super-2 number, since 2×7426420284317² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7426420284817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3713210142158 + 3713210142159.

It is an arithmetic number, because the mean of its divisors is an integer number (3713210142159).

Almost surely, 2^{7426420284317} is an apocalyptic number.

It is an amenable number.

7426420284317 is a deficient number, since it is larger than the sum of its proper divisors (1).

7426420284317 is an equidigital number, since it uses as much as digits as its factorization.

7426420284317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3612672, while the sum is 50.

The spelling of 7426420284317 in words is "seven trillion, four hundred twenty-six billion, four hundred twenty million, two hundred eighty-four thousand, three hundred seventeen".