26446969 has 2 divisors, whose sum is σ = 26446970. Its totient is φ = 26446968.

The previous prime is 26446967. The next prime is 26447011. The reversal of 26446969 is 96964462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 6760000 = 4437^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 26446969 - 2¹ = 26446967 is a prime.

It is a super-2 number, since 2×26446969² = 1398884338573922, which contains 22 as substring.

Together with 26446967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26446961) 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, 13223484 + 13223485.

It is an arithmetic number, because the mean of its divisors is an integer number (13223485).

Almost surely, 2^26446969 is an apocalyptic number.

It is an amenable number.

26446969 is a deficient number, since it is larger than the sum of its proper divisors (1).

26446969 is an equidigital number, since it uses as much as digits as its factorization.

26446969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 46.

The square root of 26446969 is about 5142.6616649358. The cubic root of 26446969 is about 297.9375910928.

The spelling of 26446969 in words is "twenty-six million, four hundred forty-six thousand, nine hundred sixty-nine".