26909360201 has 2 divisors, whose sum is σ = 26909360202. Its totient is φ = 26909360200.

The previous prime is 26909360171. The next prime is 26909360221. The reversal of 26909360201 is 10206390962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17359380025 + 9549980176 = 131755^2 + 97724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26909360201 is a prime.

It is a super-2 number, since 2×26909360201² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26909360221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13454680100 + 13454680101.

It is an arithmetic number, because the mean of its divisors is an integer number (13454680101).

Almost surely, 2^26909360201 is an apocalyptic number.

It is an amenable number.

26909360201 is a deficient number, since it is larger than the sum of its proper divisors (1).

26909360201 is an equidigital number, since it uses as much as digits as its factorization.

26909360201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 26909360201 in words is "twenty-six billion, nine hundred nine million, three hundred sixty thousand, two hundred one".