26835313957 has 2 divisors, whose sum is σ = 26835313958. Its totient is φ = 26835313956.

The previous prime is 26835313907. The next prime is 26835313997. The reversal of 26835313957 is 75931353862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25183785636 + 1651528321 = 158694^2 + 40639^2 .

It is a cyclic number.

It is not a de Polignac number, because 26835313957 - 2⁷ = 26835313829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26835313907) 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, 13417656978 + 13417656979.

It is an arithmetic number, because the mean of its divisors is an integer number (13417656979).

Almost surely, 2^26835313957 is an apocalyptic number.

It is an amenable number.

26835313957 is a deficient number, since it is larger than the sum of its proper divisors (1).

26835313957 is an equidigital number, since it uses as much as digits as its factorization.

26835313957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 52.

The spelling of 26835313957 in words is "twenty-six billion, eight hundred thirty-five million, three hundred thirteen thousand, nine hundred fifty-seven".