26856735803 has 2 divisors, whose sum is σ = 26856735804. Its totient is φ = 26856735802.

The previous prime is 26856735797. The next prime is 26856735833. The reversal of 26856735803 is 30853765862.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26856735803 is a prime.

It is not a weakly prime, because it can be changed into another prime (26856735833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13428367901 + 13428367902.

It is an arithmetic number, because the mean of its divisors is an integer number (13428367902).

Almost surely, 2^26856735803 is an apocalyptic number.

26856735803 is a deficient number, since it is larger than the sum of its proper divisors (1).

26856735803 is an equidigital number, since it uses as much as digits as its factorization.

26856735803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 26856735803 in words is "twenty-six billion, eight hundred fifty-six million, seven hundred thirty-five thousand, eight hundred three".