26710672349 has 2 divisors, whose sum is σ = 26710672350. Its totient is φ = 26710672348.

The previous prime is 26710672309. The next prime is 26710672369. The reversal of 26710672349 is 94327601762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18625425625 + 8085246724 = 136475^2 + 89918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26710672349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26710672309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13355336174 + 13355336175.

It is an arithmetic number, because the mean of its divisors is an integer number (13355336175).

Almost surely, 2^26710672349 is an apocalyptic number.

It is an amenable number.

26710672349 is a deficient number, since it is larger than the sum of its proper divisors (1).

26710672349 is an equidigital number, since it uses as much as digits as its factorization.

26710672349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 26710672349 in words is "twenty-six billion, seven hundred ten million, six hundred seventy-two thousand, three hundred forty-nine".