242240027947 has 2 divisors, whose sum is σ = 242240027948. Its totient is φ = 242240027946.

The previous prime is 242240027929. The next prime is 242240027959. The reversal of 242240027947 is 749720042242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242240027947 - 2⁷ = 242240027819 is a prime.

It is a super-2 number, since 2×242240027947² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242240627947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121120013973 + 121120013974.

It is an arithmetic number, because the mean of its divisors is an integer number (121120013974).

Almost surely, 2^242240027947 is an apocalyptic number.

242240027947 is a deficient number, since it is larger than the sum of its proper divisors (1).

242240027947 is an equidigital number, since it uses as much as digits as its factorization.

242240027947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 242240027947 in words is "two hundred forty-two billion, two hundred forty million, twenty-seven thousand, nine hundred forty-seven".