26714526221 has 2 divisors, whose sum is σ = 26714526222. Its totient is φ = 26714526220.

The previous prime is 26714526187. The next prime is 26714526229. The reversal of 26714526221 is 12262541762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23998657225 + 2715868996 = 154915^2 + 52114^2 .

It is a cyclic number.

It is not a de Polignac number, because 26714526221 - 2³⁴ = 9534657037 is a prime.

It is a super-2 number, since 2×26714526221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26714526229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13357263110 + 13357263111.

It is an arithmetic number, because the mean of its divisors is an integer number (13357263111).

Almost surely, 2^26714526221 is an apocalyptic number.

It is an amenable number.

26714526221 is a deficient number, since it is larger than the sum of its proper divisors (1).

26714526221 is an equidigital number, since it uses as much as digits as its factorization.

26714526221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The spelling of 26714526221 in words is "twenty-six billion, seven hundred fourteen million, five hundred twenty-six thousand, two hundred twenty-one".