26433057439 has 2 divisors, whose sum is σ = 26433057440. Its totient is φ = 26433057438.

The previous prime is 26433057437. The next prime is 26433057493. The reversal of 26433057439 is 93475033462.

Together with next prime (26433057493) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26433057439 - 2¹ = 26433057437 is a prime.

Together with 26433057437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26433057437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13216528719 + 13216528720.

It is an arithmetic number, because the mean of its divisors is an integer number (13216528720).

Almost surely, 2^26433057439 is an apocalyptic number.

26433057439 is a deficient number, since it is larger than the sum of its proper divisors (1).

26433057439 is an equidigital number, since it uses as much as digits as its factorization.

26433057439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 46.

The spelling of 26433057439 in words is "twenty-six billion, four hundred thirty-three million, fifty-seven thousand, four hundred thirty-nine".