26534012243 has 2 divisors, whose sum is σ = 26534012244. Its totient is φ = 26534012242.

The previous prime is 26534012201. The next prime is 26534012251. The reversal of 26534012243 is 34221043562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26534012243 - 2²² = 26529817939 is a prime.

It is not a weakly prime, because it can be changed into another prime (26534012143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13267006121 + 13267006122.

It is an arithmetic number, because the mean of its divisors is an integer number (13267006122).

Almost surely, 2^26534012243 is an apocalyptic number.

26534012243 is a deficient number, since it is larger than the sum of its proper divisors (1).

26534012243 is an equidigital number, since it uses as much as digits as its factorization.

26534012243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 26534012243 in words is "twenty-six billion, five hundred thirty-four million, twelve thousand, two hundred forty-three".