26274417253 has 6 divisors (see below), whose sum is σ = 30564118086. Its totient is φ = 22520929032.

The previous prime is 26274417251. The next prime is 26274417259. The reversal of 26274417253 is 35271447262.

It can be written as a sum of positive squares in only one way, i.e., 13814946369 + 12459470884 = 117537^2 + 111622^2 .

It is not a de Polignac number, because 26274417253 - 2¹ = 26274417251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26274417251) 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 in 5 ways as a sum of consecutive naturals, for example, 268106250 + ... + 268106347.

It is an arithmetic number, because the mean of its divisors is an integer number (5094019681).

Almost surely, 2^26274417253 is an apocalyptic number.

It is an amenable number.

26274417253 is a deficient number, since it is larger than the sum of its proper divisors (4289700833).

26274417253 is an equidigital number, since it uses as much as digits as its factorization.

26274417253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536212611 (or 536212604 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The spelling of 26274417253 in words is "twenty-six billion, two hundred seventy-four million, four hundred seventeen thousand, two hundred fifty-three".