26354707306481 has 2 divisors, whose sum is σ = 26354707306482. Its totient is φ = 26354707306480.

The previous prime is 26354707306439. The next prime is 26354707306489. The reversal of 26354707306481 is 18460370745362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24290269962256 + 2064437344225 = 4928516^2 + 1436815^2 .

It is a cyclic number.

It is not a de Polignac number, because 26354707306481 - 2¹⁴ = 26354707290097 is a prime.

It is a super-2 number, since 2×26354707306481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26354707306489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13177353653240 + 13177353653241.

It is an arithmetic number, because the mean of its divisors is an integer number (13177353653241).

Almost surely, 2^{26354707306481} is an apocalyptic number.

It is an amenable number.

26354707306481 is a deficient number, since it is larger than the sum of its proper divisors (1).

26354707306481 is an equidigital number, since it uses as much as digits as its factorization.

26354707306481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 26354707306481 in words is "twenty-six trillion, three hundred fifty-four billion, seven hundred seven million, three hundred six thousand, four hundred eighty-one".