7979942041 has 4 divisors (see below), whose sum is σ = 7981240932. Its totient is φ = 7978643152.

The previous prime is 7979942039. The next prime is 7979942051. The reversal of 7979942041 is 1402499797.

7979942041 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 88284816 + 7891657225 = 9396^2 + 88835^2 .

It is a cyclic number.

It is not a de Polignac number, because 7979942041 - 2¹ = 7979942039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7979942041.

It is not an unprimeable number, because it can be changed into a prime (7979942051) 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, 640186 + ... + 652531.

It is an arithmetic number, because the mean of its divisors is an integer number (1995310233).

Almost surely, 2^7979942041 is an apocalyptic number.

It is an amenable number.

7979942041 is a deficient number, since it is larger than the sum of its proper divisors (1298891).

7979942041 is a wasteful number, since it uses less digits than its factorization.

7979942041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298890.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 7979942041 is about 89330.5213294986. The cubic root of 7979942041 is about 1998.3271045172.

The spelling of 7979942041 in words is "seven billion, nine hundred seventy-nine million, nine hundred forty-two thousand, forty-one".