26196769 has 2 divisors, whose sum is σ = 26196770. Its totient is φ = 26196768.

The previous prime is 26196749. The next prime is 26196791. The reversal of 26196769 is 96769162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24601600 + 1595169 = 4960^2 + 1263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26196769 is a prime.

It is a super-2 number, since 2×26196769² = 1372541412078722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26196739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13098384 + 13098385.

It is an arithmetic number, because the mean of its divisors is an integer number (13098385).

Almost surely, 2^26196769 is an apocalyptic number.

It is an amenable number.

26196769 is a deficient number, since it is larger than the sum of its proper divisors (1).

26196769 is an equidigital number, since it uses as much as digits as its factorization.

26196769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 46.

The square root of 26196769 is about 5118.2779330552. The cubic root of 26196769 is about 296.9950722276.

The spelling of 26196769 in words is "twenty-six million, one hundred ninety-six thousand, seven hundred sixty-nine".