5408216981 has 8 divisors (see below), whose sum is σ = 5694101280. Its totient is φ = 5122456848.

The previous prime is 5408216977. The next prime is 5408217071. The reversal of 5408216981 is 1896128045.

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

It is not a de Polignac number, because 5408216981 - 2² = 5408216977 is a prime.

It is a super-2 number, since 2×5408216981² = 58497621827153508722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5408210981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66215 + ... + 123291.

It is an arithmetic number, because the mean of its divisors is an integer number (711762660).

Almost surely, 2^5408216981 is an apocalyptic number.

It is an amenable number.

5408216981 is a deficient number, since it is larger than the sum of its proper divisors (285884299).

5408216981 is a wasteful number, since it uses less digits than its factorization.

5408216981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62083.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 5408216981 is about 73540.5805049158. The cubic root of 5408216981 is about 1755.3000659534.

The spelling of 5408216981 in words is "five billion, four hundred eight million, two hundred sixteen thousand, nine hundred eighty-one".