26312638307 has 2 divisors, whose sum is σ = 26312638308. Its totient is φ = 26312638306.

The previous prime is 26312638291. The next prime is 26312638349. The reversal of 26312638307 is 70383621362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26312638307 - 2⁴ = 26312638291 is a prime.

It is not a weakly prime, because it can be changed into another prime (26312238307) 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, 13156319153 + 13156319154.

It is an arithmetic number, because the mean of its divisors is an integer number (13156319154).

Almost surely, 2^26312638307 is an apocalyptic number.

26312638307 is a deficient number, since it is larger than the sum of its proper divisors (1).

26312638307 is an equidigital number, since it uses as much as digits as its factorization.

26312638307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 26312638307 in words is "twenty-six billion, three hundred twelve million, six hundred thirty-eight thousand, three hundred seven".