26783632801 has 2 divisors, whose sum is σ = 26783632802. Its totient is φ = 26783632800.

The previous prime is 26783632781. The next prime is 26783632829. The reversal of 26783632801 is 10823638762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16668101025 + 10115531776 = 129105^2 + 100576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26783632801 is a prime.

It is not a weakly prime, because it can be changed into another prime (26783632831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13391816400 + 13391816401.

It is an arithmetic number, because the mean of its divisors is an integer number (13391816401).

Almost surely, 2^26783632801 is an apocalyptic number.

It is an amenable number.

26783632801 is a deficient number, since it is larger than the sum of its proper divisors (1).

26783632801 is an equidigital number, since it uses as much as digits as its factorization.

26783632801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 26783632801 in words is "twenty-six billion, seven hundred eighty-three million, six hundred thirty-two thousand, eight hundred one".