26442629 has 2 divisors, whose sum is σ = 26442630. Its totient is φ = 26442628.

The previous prime is 26442587. The next prime is 26442641. The reversal of 26442629 is 92624462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17430625 + 9012004 = 4175^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 26442629 - 2⁸ = 26442373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26442029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13221314 + 13221315.

It is an arithmetic number, because the mean of its divisors is an integer number (13221315).

Almost surely, 2^26442629 is an apocalyptic number.

It is an amenable number.

26442629 is a deficient number, since it is larger than the sum of its proper divisors (1).

26442629 is an equidigital number, since it uses as much as digits as its factorization.

26442629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 26442629 is about 5142.2396871402. The cubic root of 26442629 is about 297.9212928183.

The spelling of 26442629 in words is "twenty-six million, four hundred forty-two thousand, six hundred twenty-nine".