243315001379 has 2 divisors, whose sum is σ = 243315001380. Its totient is φ = 243315001378.

The previous prime is 243315001343. The next prime is 243315001459. The reversal of 243315001379 is 973100513342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243315001379 - 2²⁴ = 243298224163 is a prime.

It is not a weakly prime, because it can be changed into another prime (243311001379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121657500689 + 121657500690.

It is an arithmetic number, because the mean of its divisors is an integer number (121657500690).

Almost surely, 2^243315001379 is an apocalyptic number.

243315001379 is a deficient number, since it is larger than the sum of its proper divisors (1).

243315001379 is an equidigital number, since it uses as much as digits as its factorization.

243315001379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 243315001379 in words is "two hundred forty-three billion, three hundred fifteen million, one thousand, three hundred seventy-nine".