26101828533421 has 4 divisors (see below), whose sum is σ = 26104975994812. Its totient is φ = 26098681072032.

The previous prime is 26101828533419. The next prime is 26101828533457. The reversal of 26101828533421 is 12433582810162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5608778577796 + 20493049955625 = 2368286^2 + 4526925^2 .

It is a cyclic number.

It is not a de Polignac number, because 26101828533421 - 2¹ = 26101828533419 is a prime.

It is a super-2 number, since 2×26101828533421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26101828533461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573718256 + ... + 1573734841.

It is an arithmetic number, because the mean of its divisors is an integer number (6526243998703).

Almost surely, 2^{26101828533421} is an apocalyptic number.

It is an amenable number.

26101828533421 is a deficient number, since it is larger than the sum of its proper divisors (3147461391).

26101828533421 is an equidigital number, since it uses as much as digits as its factorization.

26101828533421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147461390.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 26101828533421 in words is "twenty-six trillion, one hundred one billion, eight hundred twenty-eight million, five hundred thirty-three thousand, four hundred twenty-one".