26662960829 has 2 divisors, whose sum is σ = 26662960830. Its totient is φ = 26662960828.

The previous prime is 26662960817. The next prime is 26662960897. The reversal of 26662960829 is 92806926662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26294244025 + 368716804 = 162155^2 + 19202^2 .

It is a cyclic number.

It is not a de Polignac number, because 26662960829 - 2³² = 22367993533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26662969829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13331480414 + 13331480415.

It is an arithmetic number, because the mean of its divisors is an integer number (13331480415).

Almost surely, 2^26662960829 is an apocalyptic number.

It is an amenable number.

26662960829 is a deficient number, since it is larger than the sum of its proper divisors (1).

26662960829 is an equidigital number, since it uses as much as digits as its factorization.

26662960829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6718464, while the sum is 56.

The spelling of 26662960829 in words is "twenty-six billion, six hundred sixty-two million, nine hundred sixty thousand, eight hundred twenty-nine".