26703944489 has 2 divisors, whose sum is σ = 26703944490. Its totient is φ = 26703944488.

The previous prime is 26703944447. The next prime is 26703944503. The reversal of 26703944489 is 98444930762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25499299225 + 1204645264 = 159685^2 + 34708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26703944489 is a prime.

It is a super-2 number, since 2×26703944489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26703904489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13351972244 + 13351972245.

It is an arithmetic number, because the mean of its divisors is an integer number (13351972245).

Almost surely, 2^26703944489 is an apocalyptic number.

It is an amenable number.

26703944489 is a deficient number, since it is larger than the sum of its proper divisors (1).

26703944489 is an equidigital number, since it uses as much as digits as its factorization.

26703944489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 26703944489 in words is "twenty-six billion, seven hundred three million, nine hundred forty-four thousand, four hundred eighty-nine".