26456342443 has 2 divisors, whose sum is σ = 26456342444. Its totient is φ = 26456342442.

The previous prime is 26456342321. The next prime is 26456342449. The reversal of 26456342443 is 34424365462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26456342443 is a prime.

It is a super-2 number, since 2×26456342443² (a number of 22 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 26456342443.

It is not a weakly prime, because it can be changed into another prime (26456342449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13228171221 + 13228171222.

It is an arithmetic number, because the mean of its divisors is an integer number (13228171222).

Almost surely, 2^26456342443 is an apocalyptic number.

26456342443 is a deficient number, since it is larger than the sum of its proper divisors (1).

26456342443 is an equidigital number, since it uses as much as digits as its factorization.

26456342443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 43.

The spelling of 26456342443 in words is "twenty-six billion, four hundred fifty-six million, three hundred forty-two thousand, four hundred forty-three".