266054465035969 has 2 divisors, whose sum is σ = 266054465035970. Its totient is φ = 266054465035968.

The previous prime is 266054465035949. The next prime is 266054465036071. The reversal of 266054465035969 is 969530564450662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165760990032400 + 100293475003569 = 12874820^2 + 10014663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266054465035969 is a prime.

It is a super-2 number, since 2×266054465035969² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266054465035898 and 266054465035907.

It is not a weakly prime, because it can be changed into another prime (266054465035949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133027232517984 + 133027232517985.

It is an arithmetic number, because the mean of its divisors is an integer number (133027232517985).

Almost surely, 2^{266054465035969} is an apocalyptic number.

It is an amenable number.

266054465035969 is a deficient number, since it is larger than the sum of its proper divisors (1).

266054465035969 is an equidigital number, since it uses as much as digits as its factorization.

266054465035969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712000, while the sum is 70.

The spelling of 266054465035969 in words is "two hundred sixty-six trillion, fifty-four billion, four hundred sixty-five million, thirty-five thousand, nine hundred sixty-nine".