26487373247 has 2 divisors, whose sum is σ = 26487373248. Its totient is φ = 26487373246.

The previous prime is 26487373219. The next prime is 26487373249. The reversal of 26487373247 is 74237378462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26487373247 is a prime.

Together with 26487373249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26487373249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13243686623 + 13243686624.

It is an arithmetic number, because the mean of its divisors is an integer number (13243686624).

Almost surely, 2^26487373247 is an apocalyptic number.

26487373247 is a deficient number, since it is larger than the sum of its proper divisors (1).

26487373247 is an equidigital number, since it uses as much as digits as its factorization.

26487373247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9483264, while the sum is 53.

The spelling of 26487373247 in words is "twenty-six billion, four hundred eighty-seven million, three hundred seventy-three thousand, two hundred forty-seven".