5378618481 has 8 divisors (see below), whose sum is σ = 7174159200. Its totient is φ = 3584411712.

The previous prime is 5378618461. The next prime is 5378618489. The reversal of 5378618481 is 1848168735.

It is a happy number.

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

It is not a de Polignac number, because 5378618481 - 2¹¹ = 5378616433 is a prime.

It is a super-2 number, since 2×5378618481² = 57859073528309494722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5378618489) 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, 324040 + ... + 340233.

It is an arithmetic number, because the mean of its divisors is an integer number (896769900).

Almost surely, 2^5378618481 is an apocalyptic number.

It is an amenable number.

5378618481 is a deficient number, since it is larger than the sum of its proper divisors (1795540719).

5378618481 is a wasteful number, since it uses less digits than its factorization.

5378618481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666975.

The product of its digits is 1290240, while the sum is 51.

The square root of 5378618481 is about 73339.0651767528. The cubic root of 5378618481 is about 1752.0920266474.

The spelling of 5378618481 in words is "five billion, three hundred seventy-eight million, six hundred eighteen thousand, four hundred eighty-one".