26302512449 has 2 divisors, whose sum is σ = 26302512450. Its totient is φ = 26302512448.

The previous prime is 26302512437. The next prime is 26302512499. The reversal of 26302512449 is 94421520362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17257551424 + 9044961025 = 131368^2 + 95105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26302512449 is a prime.

It is a super-2 number, since 2×26302512449² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26302512499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13151256224 + 13151256225.

It is an arithmetic number, because the mean of its divisors is an integer number (13151256225).

Almost surely, 2^26302512449 is an apocalyptic number.

It is an amenable number.

26302512449 is a deficient number, since it is larger than the sum of its proper divisors (1).

26302512449 is an equidigital number, since it uses as much as digits as its factorization.

26302512449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 26302512449 in words is "twenty-six billion, three hundred two million, five hundred twelve thousand, four hundred forty-nine".