3845956717 has 4 divisors (see below), whose sum is σ = 3846206556. Its totient is φ = 3845706880.

The previous prime is 3845956711. The next prime is 3845956739. The reversal of 3845956717 is 7176595483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7176595483 = 31547 ⋅227489.

It can be written as a sum of positive squares in 2 ways, for example, as 489028996 + 3356927721 = 22114^2 + 57939^2 .

It is a cyclic number.

It is not a de Polignac number, because 3845956717 - 2¹¹ = 3845954669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845956711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100198 + ... + 133159.

It is an arithmetic number, because the mean of its divisors is an integer number (961551639).

Almost surely, 2^3845956717 is an apocalyptic number.

It is an amenable number.

3845956717 is a deficient number, since it is larger than the sum of its proper divisors (249839).

3845956717 is a wasteful number, since it uses less digits than its factorization.

3845956717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249838.

The product of its digits is 6350400, while the sum is 55.

The square root of 3845956717 is about 62015.7779681913. Note that the first 3 decimals coincide. The cubic root of 3845956717 is about 1566.7563519856.

The spelling of 3845956717 in words is "three billion, eight hundred forty-five million, nine hundred fifty-six thousand, seven hundred seventeen".