26139764381089 has 2 divisors, whose sum is σ = 26139764381090. Its totient is φ = 26139764381088.

The previous prime is 26139764381057. The next prime is 26139764381161. The reversal of 26139764381089 is 98018346793162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25597862281489 + 541902099600 = 5059433^2 + 736140^2 .

It is a cyclic number.

It is not a de Polignac number, because 26139764381089 - 2⁵ = 26139764381057 is a prime.

It is not a weakly prime, because it can be changed into another prime (26139264381089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13069882190544 + 13069882190545.

It is an arithmetic number, because the mean of its divisors is an integer number (13069882190545).

Almost surely, 2^{26139764381089} is an apocalyptic number.

It is an amenable number.

26139764381089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26139764381089 is an equidigital number, since it uses as much as digits as its factorization.

26139764381089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94058496, while the sum is 67.

The spelling of 26139764381089 in words is "twenty-six trillion, one hundred thirty-nine billion, seven hundred sixty-four million, three hundred eighty-one thousand, eighty-nine".