26428442017583 has 2 divisors, whose sum is σ = 26428442017584. Its totient is φ = 26428442017582.

The previous prime is 26428442017531. The next prime is 26428442017651. The reversal of 26428442017583 is 38571024482462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26428442017583 - 2¹² = 26428442013487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26428442017883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13214221008791 + 13214221008792.

It is an arithmetic number, because the mean of its divisors is an integer number (13214221008792).

Almost surely, 2^{26428442017583} is an apocalyptic number.

26428442017583 is a deficient number, since it is larger than the sum of its proper divisors (1).

26428442017583 is an equidigital number, since it uses as much as digits as its factorization.

26428442017583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20643840, while the sum is 56.

The spelling of 26428442017583 in words is "twenty-six trillion, four hundred twenty-eight billion, four hundred forty-two million, seventeen thousand, five hundred eighty-three".