242061451439 has 2 divisors, whose sum is σ = 242061451440. Its totient is φ = 242061451438.

The previous prime is 242061451417. The next prime is 242061451447. The reversal of 242061451439 is 934154160242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242061451439 - 2¹² = 242061447343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242061451396 and 242061451405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242061451039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121030725719 + 121030725720.

It is an arithmetic number, because the mean of its divisors is an integer number (121030725720).

Almost surely, 2^242061451439 is an apocalyptic number.

242061451439 is a deficient number, since it is larger than the sum of its proper divisors (1).

242061451439 is an equidigital number, since it uses as much as digits as its factorization.

242061451439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 242061451439 in words is "two hundred forty-two billion, sixty-one million, four hundred fifty-one thousand, four hundred thirty-nine".