5458784981 has 8 divisors (see below), whose sum is σ = 5904365880. Its totient is φ = 5016871872.

The previous prime is 5458784959. The next prime is 5458785023. The reversal of 5458784981 is 1894878545.

It can be written as a sum of positive squares in 4 ways, for example, as 26357956 + 5432427025 = 5134^2 + 73705^2 .

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 5458784981 - 2⁶ = 5458784917 is a prime.

It is a super-2 number, since 2×5458784981² = 59596666937582340722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5458784981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5458784921) 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, 913850 + ... + 919803.

It is an arithmetic number, because the mean of its divisors is an integer number (738045735).

Almost surely, 2^5458784981 is an apocalyptic number.

It is an amenable number.

5458784981 is a deficient number, since it is larger than the sum of its proper divisors (445580899).

5458784981 is a wasteful number, since it uses less digits than its factorization.

5458784981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833895.

The product of its digits is 12902400, while the sum is 59.

The square root of 5458784981 is about 73883.5907424646. The cubic root of 5458784981 is about 1760.7539148034.

The spelling of 5458784981 in words is "five billion, four hundred fifty-eight million, seven hundred eighty-four thousand, nine hundred eighty-one".