3021866041 has 4 divisors (see below), whose sum is σ = 3037523572. Its totient is φ = 3006208512.

The previous prime is 3021865999. The next prime is 3021866047. The reversal of 3021866041 is 1406681203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1406681203 = 31 ⋅45376813.

It can be written as a sum of positive squares in 2 ways, for example, as 847042816 + 2174823225 = 29104^2 + 46635^2 .

It is a cyclic number.

It is not a de Polignac number, because 3021866041 - 2²¹ = 3019768889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3021865994 and 3021866012.

It is not an unprimeable number, because it can be changed into a prime (3021866047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7828476 + ... + 7828861.

It is an arithmetic number, because the mean of its divisors is an integer number (759380893).

Almost surely, 2^3021866041 is an apocalyptic number.

It is an amenable number.

3021866041 is a deficient number, since it is larger than the sum of its proper divisors (15657531).

3021866041 is a wasteful number, since it uses less digits than its factorization.

3021866041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15657530.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 3021866041 is about 54971.5020806236. The cubic root of 3021866041 is about 1445.7451233831.

The spelling of 3021866041 in words is "three billion, twenty-one million, eight hundred sixty-six thousand, forty-one".