26980140067 has 2 divisors, whose sum is σ = 26980140068. Its totient is φ = 26980140066.

The previous prime is 26980140043. The next prime is 26980140097. The reversal of 26980140067 is 76004108962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26980140067 - 2⁷ = 26980139939 is a prime.

It is not a weakly prime, because it can be changed into another prime (26980140097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13490070033 + 13490070034.

It is an arithmetic number, because the mean of its divisors is an integer number (13490070034).

Almost surely, 2^26980140067 is an apocalyptic number.

26980140067 is a deficient number, since it is larger than the sum of its proper divisors (1).

26980140067 is an equidigital number, since it uses as much as digits as its factorization.

26980140067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 26980140067 in words is "twenty-six billion, nine hundred eighty million, one hundred forty thousand, sixty-seven".