3862268561 has 4 divisors (see below), whose sum is σ = 3927730800. Its totient is φ = 3796806324.

The previous prime is 3862268521. The next prime is 3862268587. The reversal of 3862268561 is 1658622683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1658622683 = 32257 ⋅51419.

It is a cyclic number.

It is not a de Polignac number, because 3862268561 - 2¹⁸ = 3862006417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3862268521) 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, 32731031 + ... + 32731148.

It is an arithmetic number, because the mean of its divisors is an integer number (981932700).

Almost surely, 2^3862268561 is an apocalyptic number.

It is an amenable number.

3862268561 is a deficient number, since it is larger than the sum of its proper divisors (65462239).

3862268561 is an equidigital number, since it uses as much as digits as its factorization.

3862268561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65462238.

The product of its digits is 829440, while the sum is 47.

The square root of 3862268561 is about 62147.1524770041. The cubic root of 3862268561 is about 1568.9682540610.

The spelling of 3862268561 in words is "three billion, eight hundred sixty-two million, two hundred sixty-eight thousand, five hundred sixty-one".