26120669 has 2 divisors, whose sum is σ = 26120670. Its totient is φ = 26120668.

The previous prime is 26120621. The next prime is 26120671. The reversal of 26120669 is 96602162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17347225 + 8773444 = 4165^2 + 2962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26120669 is a prime.

It is a super-2 number, since 2×26120669² = 1364578698015122, which contains 22 as substring.

Together with 26120671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26120069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13060334 + 13060335.

It is an arithmetic number, because the mean of its divisors is an integer number (13060335).

Almost surely, 2^26120669 is an apocalyptic number.

It is an amenable number.

26120669 is a deficient number, since it is larger than the sum of its proper divisors (1).

26120669 is an equidigital number, since it uses as much as digits as its factorization.

26120669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 26120669 is about 5110.8383852358. The cubic root of 26120669 is about 296.7072091768.

The spelling of 26120669 in words is "twenty-six million, one hundred twenty thousand, six hundred sixty-nine".