26320368313 has 2 divisors, whose sum is σ = 26320368314. Its totient is φ = 26320368312.

The previous prime is 26320368307. The next prime is 26320368377. The reversal of 26320368313 is 31386302362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17486624169 + 8833744144 = 132237^2 + 93988^2 .

It is a cyclic number.

It is not a de Polignac number, because 26320368313 - 2⁵ = 26320368281 is a prime.

It is not a weakly prime, because it can be changed into another prime (26320168313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13160184156 + 13160184157.

It is an arithmetic number, because the mean of its divisors is an integer number (13160184157).

Almost surely, 2^26320368313 is an apocalyptic number.

It is an amenable number.

26320368313 is a deficient number, since it is larger than the sum of its proper divisors (1).

26320368313 is an equidigital number, since it uses as much as digits as its factorization.

26320368313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 26320368313 in words is "twenty-six billion, three hundred twenty million, three hundred sixty-eight thousand, three hundred thirteen".