26724644264543 has 2 divisors, whose sum is σ = 26724644264544. Its totient is φ = 26724644264542.

The previous prime is 26724644264399. The next prime is 26724644264551. The reversal of 26724644264543 is 34546244642762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26724644264543 - 2¹⁰ = 26724644263519 is a prime.

It is a super-2 number, since 2×26724644264543² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26724644264243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13362322132271 + 13362322132272.

It is an arithmetic number, because the mean of its divisors is an integer number (13362322132272).

Almost surely, 2^{26724644264543} is an apocalyptic number.

26724644264543 is a deficient number, since it is larger than the sum of its proper divisors (1).

26724644264543 is an equidigital number, since it uses as much as digits as its factorization.

26724644264543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185794560, while the sum is 59.

The spelling of 26724644264543 in words is "twenty-six trillion, seven hundred twenty-four billion, six hundred forty-four million, two hundred sixty-four thousand, five hundred forty-three".