243409496711 has 2 divisors, whose sum is σ = 243409496712. Its totient is φ = 243409496710.

The previous prime is 243409496699. The next prime is 243409496773. The reversal of 243409496711 is 117694904342.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243409496711 - 2⁶ = 243409496647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243409496711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243409496791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121704748355 + 121704748356.

It is an arithmetic number, because the mean of its divisors is an integer number (121704748356).

Almost surely, 2^243409496711 is an apocalyptic number.

243409496711 is a deficient number, since it is larger than the sum of its proper divisors (1).

243409496711 is an equidigital number, since it uses as much as digits as its factorization.

243409496711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 243409496711 in words is "two hundred forty-three billion, four hundred nine million, four hundred ninety-six thousand, seven hundred eleven".