203267468891 has 2 divisors, whose sum is σ = 203267468892. Its totient is φ = 203267468890.

The previous prime is 203267468821. The next prime is 203267468927. The reversal of 203267468891 is 198864762302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203267468891 is a prime.

It is not a weakly prime, because it can be changed into another prime (203267468821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101633734445 + 101633734446.

It is an arithmetic number, because the mean of its divisors is an integer number (101633734446).

Almost surely, 2^203267468891 is an apocalyptic number.

203267468891 is a deficient number, since it is larger than the sum of its proper divisors (1).

203267468891 is an equidigital number, since it uses as much as digits as its factorization.

203267468891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 203267468891 in words is "two hundred three billion, two hundred sixty-seven million, four hundred sixty-eight thousand, eight hundred ninety-one".