2446118981 has 2 divisors, whose sum is σ = 2446118982. Its totient is φ = 2446118980.

The previous prime is 2446118897. The next prime is 2446119007. The reversal of 2446118981 is 1898116442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1484560900 + 961558081 = 38530^2 + 31009^2 .

It is a cyclic number.

It is not a de Polignac number, because 2446118981 - 2³⁰ = 1372377157 is a prime.

It is a super-2 number, since 2×2446118981² = 11966996138416956722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2446118281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1223059490 + 1223059491.

It is an arithmetic number, because the mean of its divisors is an integer number (1223059491).

Almost surely, 2^2446118981 is an apocalyptic number.

It is an amenable number.

2446118981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2446118981 is an equidigital number, since it uses as much as digits as its factorization.

2446118981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 44.

The square root of 2446118981 is about 49458.2549328219. The cubic root of 2446118981 is about 1347.3875368499.

The spelling of 2446118981 in words is "two billion, four hundred forty-six million, one hundred eighteen thousand, nine hundred eighty-one".