26328801971 has 2 divisors, whose sum is σ = 26328801972. Its totient is φ = 26328801970.

The previous prime is 26328801929. The next prime is 26328802007. The reversal of 26328801971 is 17910882362.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26328801971 - 2³⁴ = 9148932787 is a prime.

It is not a weakly prime, because it can be changed into another prime (26328803971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13164400985 + 13164400986.

It is an arithmetic number, because the mean of its divisors is an integer number (13164400986).

Almost surely, 2^26328801971 is an apocalyptic number.

26328801971 is a deficient number, since it is larger than the sum of its proper divisors (1).

26328801971 is an equidigital number, since it uses as much as digits as its factorization.

26328801971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 26328801971 in words is "twenty-six billion, three hundred twenty-eight million, eight hundred one thousand, nine hundred seventy-one".