26383053493 has 2 divisors, whose sum is σ = 26383053494. Its totient is φ = 26383053492.

The previous prime is 26383053479. The next prime is 26383053527. The reversal of 26383053493 is 39435038362.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17232600529 + 9150452964 = 131273^2 + 95658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26383053493 is a prime.

It is a super-2 number, since 2×26383053493² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26383053293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13191526746 + 13191526747.

It is an arithmetic number, because the mean of its divisors is an integer number (13191526747).

Almost surely, 2^26383053493 is an apocalyptic number.

It is an amenable number.

26383053493 is a deficient number, since it is larger than the sum of its proper divisors (1).

26383053493 is an equidigital number, since it uses as much as digits as its factorization.

26383053493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 46.

The spelling of 26383053493 in words is "twenty-six billion, three hundred eighty-three million, fifty-three thousand, four hundred ninety-three".