26694769 has 2 divisors, whose sum is σ = 26694770. Its totient is φ = 26694768.

The previous prime is 26694721. The next prime is 26694799. The reversal of 26694769 is 96749662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26625600 + 69169 = 5160^2 + 263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26694769 is a prime.

It is a super-2 number, since 2×26694769² = 1425221383926722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26694799) 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, 13347384 + 13347385.

It is an arithmetic number, because the mean of its divisors is an integer number (13347385).

Almost surely, 2^26694769 is an apocalyptic number.

It is an amenable number.

26694769 is a deficient number, since it is larger than the sum of its proper divisors (1).

26694769 is an equidigital number, since it uses as much as digits as its factorization.

26694769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 49.

The square root of 26694769 is about 5166.6980751734. The cubic root of 26694769 is about 298.8652278676.

The spelling of 26694769 in words is "twenty-six million, six hundred ninety-four thousand, seven hundred sixty-nine".