242148102490859 has 2 divisors, whose sum is σ = 242148102490860. Its totient is φ = 242148102490858.

The previous prime is 242148102490849. The next prime is 242148102490891. The reversal of 242148102490859 is 958094201841242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242148102490859 - 2²⁰ = 242148101442283 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242148102490798 and 242148102490807.

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, 121074051245429 + 121074051245430.

It is an arithmetic number, because the mean of its divisors is an integer number (121074051245430).

Almost surely, 2^{242148102490859} is an apocalyptic number.

242148102490859 is a deficient number, since it is larger than the sum of its proper divisors (1).

242148102490859 is an equidigital number, since it uses as much as digits as its factorization.

242148102490859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13271040, while the sum is 59.

The spelling of 242148102490859 in words is "two hundred forty-two trillion, one hundred forty-eight billion, one hundred two million, four hundred ninety thousand, eight hundred fifty-nine".