26397330203 has 2 divisors, whose sum is σ = 26397330204. Its totient is φ = 26397330202.

The previous prime is 26397330187. The next prime is 26397330221. The reversal of 26397330203 is 30203379362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26397330203 - 2⁴ = 26397330187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26397330103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13198665101 + 13198665102.

It is an arithmetic number, because the mean of its divisors is an integer number (13198665102).

Almost surely, 2^26397330203 is an apocalyptic number.

26397330203 is a deficient number, since it is larger than the sum of its proper divisors (1).

26397330203 is an equidigital number, since it uses as much as digits as its factorization.

26397330203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 38.

The spelling of 26397330203 in words is "twenty-six billion, three hundred ninety-seven million, three hundred thirty thousand, two hundred three".