26246001601 has 2 divisors, whose sum is σ = 26246001602. Its totient is φ = 26246001600.

The previous prime is 26246001583. The next prime is 26246001641. The reversal of 26246001601 is 10610064262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13167792001 + 13078209600 = 114751^2 + 114360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26246001601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26246001601.

It is not a weakly prime, because it can be changed into another prime (26246001641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13123000800 + 13123000801.

It is an arithmetic number, because the mean of its divisors is an integer number (13123000801).

Almost surely, 2^26246001601 is an apocalyptic number.

It is an amenable number.

26246001601 is a deficient number, since it is larger than the sum of its proper divisors (1).

26246001601 is an equidigital number, since it uses as much as digits as its factorization.

26246001601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 26246001601 its reverse (10610064262), we get a palindrome (36856065863).

The spelling of 26246001601 in words is "twenty-six billion, two hundred forty-six million, one thousand, six hundred one".