4226538013447 has 2 divisors, whose sum is σ = 4226538013448. Its totient is φ = 4226538013446.

The previous prime is 4226538013391. The next prime is 4226538013469. The reversal of 4226538013447 is 7443108356224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4226538013447 is a prime.

It is a super-2 number, since 2×4226538013447² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4226538013447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4226538013547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2113269006723 + 2113269006724.

It is an arithmetic number, because the mean of its divisors is an integer number (2113269006724).

Almost surely, 2^{4226538013447} is an apocalyptic number.

4226538013447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4226538013447 is an equidigital number, since it uses as much as digits as its factorization.

4226538013447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 4226538013447 in words is "four trillion, two hundred twenty-six billion, five hundred thirty-eight million, thirteen thousand, four hundred forty-seven".