4994225438881 has 16 divisors (see below), whose sum is σ = 6048143040384. Its totient is φ = 4025814591744.

The previous prime is 4994225438857. The next prime is 4994225438941. The reversal of 4994225438881 is 1888345224994.

It is a cyclic number.

It is not a de Polignac number, because 4994225438881 - 2⁵ = 4994225438849 is a prime.

It is a super-2 number, since 2×4994225438881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4994225438801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16202850 + ... + 16508203.

It is an arithmetic number, because the mean of its divisors is an integer number (378008940024).

Almost surely, 2^{4994225438881} is an apocalyptic number.

It is an amenable number.

4994225438881 is a deficient number, since it is larger than the sum of its proper divisors (1053917601503).

4994225438881 is a wasteful number, since it uses less digits than its factorization.

4994225438881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32712360.

The product of its digits is 159252480, while the sum is 67.

The spelling of 4994225438881 in words is "four trillion, nine hundred ninety-four billion, two hundred twenty-five million, four hundred thirty-eight thousand, eight hundred eighty-one".