4551438467081 has 8 divisors (see below), whose sum is σ = 4973305453824. Its totient is φ = 4130921455920.

The previous prime is 4551438467063. The next prime is 4551438467101. The reversal of 4551438467081 is 1807648341554.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4551438467081 is a prime.

It is a super-2 number, since 2×4551438467081² (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 (4551438464081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337486841 + ... + 337500326.

It is an arithmetic number, because the mean of its divisors is an integer number (621663181728).

Almost surely, 2^{4551438467081} is an apocalyptic number.

It is an amenable number.

4551438467081 is a deficient number, since it is larger than the sum of its proper divisors (421866986743).

4551438467081 is a wasteful number, since it uses less digits than its factorization.

4551438467081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674987791.

The product of its (nonzero) digits is 12902400, while the sum is 56.

The spelling of 4551438467081 in words is "four trillion, five hundred fifty-one billion, four hundred thirty-eight million, four hundred sixty-seven thousand, eighty-one".