3928575545 has 4 divisors (see below), whose sum is σ = 4714290660. Its totient is φ = 3142860432.

The previous prime is 3928575523. The next prime is 3928575569. The reversal of 3928575545 is 5455758293.

3928575545 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: 5455758293 = 31 ⋅175992203.

It can be written as a sum of positive squares in 2 ways, for example, as 1483174144 + 2445401401 = 38512^2 + 49451^2 .

It is a cyclic number.

It is not a de Polignac number, because 3928575545 - 2⁶ = 3928575481 is a prime.

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, 392857550 + ... + 392857559.

It is an arithmetic number, because the mean of its divisors is an integer number (1178572665).

Almost surely, 2^3928575545 is an apocalyptic number.

It is an amenable number.

3928575545 is a deficient number, since it is larger than the sum of its proper divisors (785715115).

3928575545 is an equidigital number, since it uses as much as digits as its factorization.

3928575545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785715114.

The product of its digits is 7560000, while the sum is 53.

The square root of 3928575545 is about 62678.3498905324. The cubic root of 3928575545 is about 1577.8959796508.

The spelling of 3928575545 in words is "three billion, nine hundred twenty-eight million, five hundred seventy-five thousand, five hundred forty-five".