2453881840849 has 2 divisors, whose sum is σ = 2453881840850. Its totient is φ = 2453881840848.

The previous prime is 2453881840763. The next prime is 2453881840859. The reversal of 2453881840849 is 9480481883542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2114188700625 + 339693140224 = 1454025^2 + 582832^2 .

It is a cyclic number.

It is not a de Polignac number, because 2453881840849 - 2¹⁷ = 2453881709777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2453881840859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1226940920424 + 1226940920425.

It is an arithmetic number, because the mean of its divisors is an integer number (1226940920425).

Almost surely, 2^{2453881840849} is an apocalyptic number.

It is an amenable number.

2453881840849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2453881840849 is an equidigital number, since it uses as much as digits as its factorization.

2453881840849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70778880, while the sum is 64.

The spelling of 2453881840849 in words is "two trillion, four hundred fifty-three billion, eight hundred eighty-one million, eight hundred forty thousand, eight hundred forty-nine".