2442210512981 has 2 divisors, whose sum is σ = 2442210512982. Its totient is φ = 2442210512980.

The previous prime is 2442210512977. The next prime is 2442210513019. The reversal of 2442210512981 is 1892150122442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1700588132356 + 741622380625 = 1304066^2 + 861175^2 .

It is a cyclic number.

It is not a de Polignac number, because 2442210512981 - 2² = 2442210512977 is a prime.

It is a super-2 number, since 2×2442210512981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2442210512921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221105256490 + 1221105256491.

It is an arithmetic number, because the mean of its divisors is an integer number (1221105256491).

Almost surely, 2^{2442210512981} is an apocalyptic number.

It is an amenable number.

2442210512981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442210512981 is an equidigital number, since it uses as much as digits as its factorization.

2442210512981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 2442210512981 in words is "two trillion, four hundred forty-two billion, two hundred ten million, five hundred twelve thousand, nine hundred eighty-one".