2449861218041 has 2 divisors, whose sum is σ = 2449861218042. Its totient is φ = 2449861218040.

The previous prime is 2449861218017. The next prime is 2449861218043. The reversal of 2449861218041 is 1408121689442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1293214742416 + 1156646475625 = 1137196^2 + 1075475^2 .

It is a cyclic number.

It is not a de Polignac number, because 2449861218041 - 2¹⁰ = 2449861217017 is a prime.

It is a super-4 number, since 4×2449861218041⁴ (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

Together with 2449861218043, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2449861218043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224930609020 + 1224930609021.

It is an arithmetic number, because the mean of its divisors is an integer number (1224930609021).

Almost surely, 2^{2449861218041} is an apocalyptic number.

It is an amenable number.

2449861218041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2449861218041 is an equidigital number, since it uses as much as digits as its factorization.

2449861218041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 884736, while the sum is 50.

The spelling of 2449861218041 in words is "two trillion, four hundred forty-nine billion, eight hundred sixty-one million, two hundred eighteen thousand, forty-one".