5481730819 has 16 divisors (see below), whose sum is σ = 5728831360. Its totient is φ = 5240401920.

The previous prime is 5481730789. The next prime is 5481730841. The reversal of 5481730819 is 9180371845.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5481730819 - 2¹⁵ = 5481698051 is a prime.

It is a super-2 number, since 2×5481730819² = 60098745543948821522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5481730879) 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, 728227 + ... + 735715.

It is an arithmetic number, because the mean of its divisors is an integer number (358051960).

Almost surely, 2^5481730819 is an apocalyptic number.

5481730819 is a deficient number, since it is larger than the sum of its proper divisors (247100541).

5481730819 is a wasteful number, since it uses less digits than its factorization.

5481730819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7870.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 5481730819 is about 74038.7116243928. The cubic root of 5481730819 is about 1763.2175580600.

The spelling of 5481730819 in words is "five billion, four hundred eighty-one million, seven hundred thirty thousand, eight hundred nineteen".