26801429 has 2 divisors, whose sum is σ = 26801430. Its totient is φ = 26801428.

The previous prime is 26801393. The next prime is 26801441. The reversal of 26801429 is 92410862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26801329 + 100 = 5177^2 + 10^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26801429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26801395 and 26801404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26801449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13400714 + 13400715.

It is an arithmetic number, because the mean of its divisors is an integer number (13400715).

Almost surely, 2^26801429 is an apocalyptic number.

It is an amenable number.

26801429 is a deficient number, since it is larger than the sum of its proper divisors (1).

26801429 is an equidigital number, since it uses as much as digits as its factorization.

26801429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 26801429 is about 5177.0096580941. The cubic root of 26801429 is about 299.2627415024.

The spelling of 26801429 in words is "twenty-six million, eight hundred one thousand, four hundred twenty-nine".