26698752019 has 2 divisors, whose sum is σ = 26698752020. Its totient is φ = 26698752018.

The previous prime is 26698751983. The next prime is 26698752037. The reversal of 26698752019 is 91025789662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26698752019 - 2¹⁵ = 26698719251 is a prime.

It is a super-2 number, since 2×26698752019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26698752049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13349376009 + 13349376010.

It is an arithmetic number, because the mean of its divisors is an integer number (13349376010).

Almost surely, 2^26698752019 is an apocalyptic number.

26698752019 is a deficient number, since it is larger than the sum of its proper divisors (1).

26698752019 is an equidigital number, since it uses as much as digits as its factorization.

26698752019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 26698752019 in words is "twenty-six billion, six hundred ninety-eight million, seven hundred fifty-two thousand, nineteen".