5449380079873 has 2 divisors, whose sum is σ = 5449380079874. Its totient is φ = 5449380079872.

The previous prime is 5449380079867. The next prime is 5449380079933. The reversal of 5449380079873 is 3789700839445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3226740393969 + 2222639685904 = 1796313^2 + 1490852^2 .

It is a cyclic number.

It is not a de Polignac number, because 5449380079873 - 2³³ = 5440790145281 is a prime.

It is a super-2 number, since 2×5449380079873² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5449380079799 and 5449380079808.

It is not a weakly prime, because it can be changed into another prime (5449380079823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2724690039936 + 2724690039937.

It is an arithmetic number, because the mean of its divisors is an integer number (2724690039937).

Almost surely, 2^{5449380079873} is an apocalyptic number.

It is an amenable number.

5449380079873 is a deficient number, since it is larger than the sum of its proper divisors (1).

5449380079873 is an equidigital number, since it uses as much as digits as its factorization.

5449380079873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 182891520, while the sum is 67.

The spelling of 5449380079873 in words is "five trillion, four hundred forty-nine billion, three hundred eighty million, seventy-nine thousand, eight hundred seventy-three".