26355667058969 has 2 divisors, whose sum is σ = 26355667058970. Its totient is φ = 26355667058968.

The previous prime is 26355667058947. The next prime is 26355667059011. The reversal of 26355667058969 is 96985076655362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22097407820944 + 4258259238025 = 4700788^2 + 2063555^2 .

It is a cyclic number.

It is not a de Polignac number, because 26355667058969 - 2⁸ = 26355667058713 is a prime.

It is a super-2 number, since 2×26355667058969² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26355667058969.

It is not a weakly prime, because it can be changed into another prime (26355667058569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13177833529484 + 13177833529485.

It is an arithmetic number, because the mean of its divisors is an integer number (13177833529485).

Almost surely, 2^{26355667058969} is an apocalyptic number.

It is an amenable number.

26355667058969 is a deficient number, since it is larger than the sum of its proper divisors (1).

26355667058969 is an equidigital number, since it uses as much as digits as its factorization.

26355667058969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992000, while the sum is 77.

The spelling of 26355667058969 in words is "twenty-six trillion, three hundred fifty-five billion, six hundred sixty-seven million, fifty-eight thousand, nine hundred sixty-nine".