243101062402987 has 2 divisors, whose sum is σ = 243101062402988. Its totient is φ = 243101062402986.

The previous prime is 243101062402951. The next prime is 243101062403071. The reversal of 243101062402987 is 789204260101342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243101062402987 - 2⁴⁷ = 102363574047659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243101062402987.

It is not a weakly prime, because it can be changed into another prime (243101062402787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121550531201493 + 121550531201494.

It is an arithmetic number, because the mean of its divisors is an integer number (121550531201494).

Almost surely, 2^{243101062402987} is an apocalyptic number.

243101062402987 is a deficient number, since it is larger than the sum of its proper divisors (1).

243101062402987 is an equidigital number, since it uses as much as digits as its factorization.

243101062402987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 243101062402987 in words is "two hundred forty-three trillion, one hundred one billion, sixty-two million, four hundred two thousand, nine hundred eighty-seven".