5381618946 has 32 divisors (see below), whose sum is σ = 11753164800. Its totient is φ = 1629203280.

The previous prime is 5381618927. The next prime is 5381618953. The reversal of 5381618946 is 6498161835.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29335 + ... + 107813.

It is an arithmetic number, because the mean of its divisors is an integer number (367286400).

Almost surely, 2^5381618946 is an apocalyptic number.

5381618946 is an abundant number, since it is smaller than the sum of its proper divisors (6371545854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5381618946 is a wasteful number, since it uses less digits than its factorization.

5381618946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79534.

The product of its digits is 1244160, while the sum is 51.

The square root of 5381618946 is about 73359.5184417128. The cubic root of 5381618946 is about 1752.4177678866.

The spelling of 5381618946 in words is "five billion, three hundred eighty-one million, six hundred eighteen thousand, nine hundred forty-six".