26520234943 has 2 divisors, whose sum is σ = 26520234944. Its totient is φ = 26520234942.

The previous prime is 26520234859. The next prime is 26520234967. The reversal of 26520234943 is 34943202562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26520234943 - 2⁹ = 26520234431 is a prime.

It is a super-2 number, since 2×26520234943² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26520234896 and 26520234905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26520234973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13260117471 + 13260117472.

It is an arithmetic number, because the mean of its divisors is an integer number (13260117472).

Almost surely, 2^26520234943 is an apocalyptic number.

26520234943 is a deficient number, since it is larger than the sum of its proper divisors (1).

26520234943 is an equidigital number, since it uses as much as digits as its factorization.

26520234943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 26520234943 in words is "twenty-six billion, five hundred twenty million, two hundred thirty-four thousand, nine hundred forty-three".