5218951444049 has 8 divisors (see below), whose sum is σ = 5968749102720. Its totient is φ = 4470212077056.

The previous prime is 5218951444043. The next prime is 5218951444061. The reversal of 5218951444049 is 9404441598125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5218951444049 - 2³⁶ = 5150231967313 is a prime.

It is a super-2 number, since 2×5218951444049² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5218951443985 and 5218951444003.

It is not an unprimeable number, because it can be changed into a prime (5218951444043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264562349 + ... + 264582074.

It is an arithmetic number, because the mean of its divisors is an integer number (746093637840).

Almost surely, 2^{5218951444049} is an apocalyptic number.

It is an amenable number.

5218951444049 is a deficient number, since it is larger than the sum of its proper divisors (749797658671).

5218951444049 is a wasteful number, since it uses less digits than its factorization.

5218951444049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529145839.

The product of its (nonzero) digits is 8294400, while the sum is 56.

The spelling of 5218951444049 in words is "five trillion, two hundred eighteen billion, nine hundred fifty-one million, four hundred forty-four thousand, forty-nine".