26012851229 has 2 divisors, whose sum is σ = 26012851230. Its totient is φ = 26012851228.

The previous prime is 26012851219. The next prime is 26012851231. The reversal of 26012851229 is 92215821062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26012851225 + 4 = 161285^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26012851229 is a prime.

It is a Sophie Germain prime.

Together with 26012851231, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26012851192 and 26012851201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26012851219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13006425614 + 13006425615.

It is an arithmetic number, because the mean of its divisors is an integer number (13006425615).

Almost surely, 2^26012851229 is an apocalyptic number.

It is an amenable number.

26012851229 is a deficient number, since it is larger than the sum of its proper divisors (1).

26012851229 is an equidigital number, since it uses as much as digits as its factorization.

26012851229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 26012851229 in words is "twenty-six billion, twelve million, eight hundred fifty-one thousand, two hundred twenty-nine".