4539986386 has 8 divisors (see below), whose sum is σ = 7333824204. Its totient is φ = 2095378320.

The previous prime is 4539986383. The next prime is 4539986389. The reversal of 4539986386 is 6836899354.

It is an interprime number because it is at equal distance from previous prime (4539986383) and next prime (4539986389).

It can be written as a sum of positive squares in 2 ways, for example, as 4538582161 + 1404225 = 67369^2 + 1185^2 .

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

It is a super-2 number, since 2×4539986386² = 41222952770130681992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4539986383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87307405 + ... + 87307456.

Almost surely, 2^4539986386 is an apocalyptic number.

4539986386 is a deficient number, since it is larger than the sum of its proper divisors (2793837818).

4539986386 is a wasteful number, since it uses less digits than its factorization.

4539986386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174614876.

The product of its digits is 33592320, while the sum is 61.

The square root of 4539986386 is about 67379.4210868571. The cubic root of 4539986386 is about 1655.8392905043.

The spelling of 4539986386 in words is "four billion, five hundred thirty-nine million, nine hundred eighty-six thousand, three hundred eighty-six".