243010339387 has 2 divisors, whose sum is σ = 243010339388. Its totient is φ = 243010339386.

The previous prime is 243010339373. The next prime is 243010339421. The reversal of 243010339387 is 783933010342.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243010339387 is a prime.

It is not a weakly prime, because it can be changed into another prime (243010339357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121505169693 + 121505169694.

It is an arithmetic number, because the mean of its divisors is an integer number (121505169694).

Almost surely, 2^243010339387 is an apocalyptic number.

243010339387 is a deficient number, since it is larger than the sum of its proper divisors (1).

243010339387 is an equidigital number, since it uses as much as digits as its factorization.

243010339387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 243010339387 in words is "two hundred forty-three billion, ten million, three hundred thirty-nine thousand, three hundred eighty-seven".