3986741545 has 4 divisors (see below), whose sum is σ = 4784089860. Its totient is φ = 3189393232.

The previous prime is 3986741537. The next prime is 3986741579. The reversal of 3986741545 is 5451476893.

3986741545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5451476893 = 2339 ⋅2330687.

It can be written as a sum of positive squares in 2 ways, for example, as 2163366144 + 1823375401 = 46512^2 + 42701^2 .

It is a cyclic number.

It is not a de Polignac number, because 3986741545 - 2³ = 3986741537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3986741492 and 3986741501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398674150 + ... + 398674159.

It is an arithmetic number, because the mean of its divisors is an integer number (1196022465).

Almost surely, 2^3986741545 is an apocalyptic number.

It is an amenable number.

3986741545 is a deficient number, since it is larger than the sum of its proper divisors (797348315).

3986741545 is an equidigital number, since it uses as much as digits as its factorization.

3986741545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797348314.

The product of its digits is 3628800, while the sum is 52.

The square root of 3986741545 is about 63140.6489117747. The cubic root of 3986741545 is about 1585.6452368027.

The spelling of 3986741545 in words is "three billion, nine hundred eighty-six million, seven hundred forty-one thousand, five hundred forty-five".