269198899243 has 2 divisors, whose sum is σ = 269198899244. Its totient is φ = 269198899242.

The previous prime is 269198899181. The next prime is 269198899267. The reversal of 269198899243 is 342998891962.

269198899243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 269198899243 - 2²⁹ = 268662028331 is a prime.

It is not a weakly prime, because it can be changed into another prime (269198899643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134599449621 + 134599449622.

It is an arithmetic number, because the mean of its divisors is an integer number (134599449622).

Almost surely, 2^269198899243 is an apocalyptic number.

269198899243 is a deficient number, since it is larger than the sum of its proper divisors (1).

269198899243 is an equidigital number, since it uses as much as digits as its factorization.

269198899243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120932352, while the sum is 70.

The spelling of 269198899243 in words is "two hundred sixty-nine billion, one hundred ninety-eight million, eight hundred ninety-nine thousand, two hundred forty-three".