242148102490849 has 2 divisors, whose sum is σ = 242148102490850. Its totient is φ = 242148102490848.

The previous prime is 242148102490837. The next prime is 242148102490859. The reversal of 242148102490849 is 948094201841242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229999427095824 + 12148675395025 = 15165732^2 + 3485495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242148102490849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242148102490793 and 242148102490802.

It is not a weakly prime, because it can be changed into another prime (242148102490829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121074051245424 + 121074051245425.

It is an arithmetic number, because the mean of its divisors is an integer number (121074051245425).

Almost surely, 2^{242148102490849} is an apocalyptic number.

It is an amenable number.

242148102490849 is a deficient number, since it is larger than the sum of its proper divisors (1).

242148102490849 is an equidigital number, since it uses as much as digits as its factorization.

242148102490849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10616832, while the sum is 58.

The spelling of 242148102490849 in words is "two hundred forty-two trillion, one hundred forty-eight billion, one hundred two million, four hundred ninety thousand, eight hundred forty-nine".