7426889395423 has 2 divisors, whose sum is σ = 7426889395424. Its totient is φ = 7426889395422.

The previous prime is 7426889395403. The next prime is 7426889395451. The reversal of 7426889395423 is 3245939886247.

It is a weak prime.

It is an emirp because it is prime and its reverse (3245939886247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7426889395423 - 2⁵ = 7426889395391 is a prime.

It is a super-2 number, since 2×7426889395423² (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 (7426889395403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3713444697711 + 3713444697712.

It is an arithmetic number, because the mean of its divisors is an integer number (3713444697712).

Almost surely, 2^{7426889395423} is an apocalyptic number.

7426889395423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7426889395423 is an equidigital number, since it uses as much as digits as its factorization.

7426889395423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 627056640, while the sum is 70.

The spelling of 7426889395423 in words is "seven trillion, four hundred twenty-six billion, eight hundred eighty-nine million, three hundred ninety-five thousand, four hundred twenty-three".