26732258897 has 2 divisors, whose sum is σ = 26732258898. Its totient is φ = 26732258896.

The previous prime is 26732258887. The next prime is 26732258939. The reversal of 26732258897 is 79885223762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26584976401 + 147282496 = 163049^2 + 12136^2 .

It is a cyclic number.

It is not a de Polignac number, because 26732258897 - 2¹⁰ = 26732257873 is a prime.

It is a super-2 number, since 2×26732258897² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26732258807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13366129448 + 13366129449.

It is an arithmetic number, because the mean of its divisors is an integer number (13366129449).

Almost surely, 2^26732258897 is an apocalyptic number.

It is an amenable number.

26732258897 is a deficient number, since it is larger than the sum of its proper divisors (1).

26732258897 is an equidigital number, since it uses as much as digits as its factorization.

26732258897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 59.

The spelling of 26732258897 in words is "twenty-six billion, seven hundred thirty-two million, two hundred fifty-eight thousand, eight hundred ninety-seven".