26949469 has 2 divisors, whose sum is σ = 26949470. Its totient is φ = 26949468.

The previous prime is 26949457. The next prime is 26949499. The reversal of 26949469 is 96494962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21483225 + 5466244 = 4635^2 + 2338^2 .

It is a cyclic number.

It is not a de Polignac number, because 26949469 - 2¹⁷ = 26818397 is a prime.

It is a super-2 number, since 2×26949469² = 1452547758763922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26949499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13474734 + 13474735.

It is an arithmetic number, because the mean of its divisors is an integer number (13474735).

Almost surely, 2^26949469 is an apocalyptic number.

It is an amenable number.

26949469 is a deficient number, since it is larger than the sum of its proper divisors (1).

26949469 is an equidigital number, since it uses as much as digits as its factorization.

26949469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 49.

The square root of 26949469 is about 5191.2877978398. The cubic root of 26949469 is about 299.8127312739.

The spelling of 26949469 in words is "twenty-six million, nine hundred forty-nine thousand, four hundred sixty-nine".