7942868041 has 4 divisors (see below), whose sum is σ = 8015738500. Its totient is φ = 7869997584.

The previous prime is 7942868039. The next prime is 7942868057. The reversal of 7942868041 is 1408682497.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4211490816 + 3731377225 = 64896^2 + 61085^2 .

It is a cyclic number.

It is not a de Polignac number, because 7942868041 - 2¹ = 7942868039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7942868341) 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, 36435066 + ... + 36435283.

It is an arithmetic number, because the mean of its divisors is an integer number (2003934625).

Almost surely, 2^7942868041 is an apocalyptic number.

It is an amenable number.

7942868041 is a deficient number, since it is larger than the sum of its proper divisors (72870459).

7942868041 is a wasteful number, since it uses less digits than its factorization.

7942868041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72870458.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 7942868041 is about 89122.7694868152. The cubic root of 7942868041 is about 1995.2276246914.

The spelling of 7942868041 in words is "seven billion, nine hundred forty-two million, eight hundred sixty-eight thousand, forty-one".