7842830638141 has 4 divisors (see below), whose sum is σ = 7842837862300. Its totient is φ = 7842823413984.

The previous prime is 7842830638129. The next prime is 7842830638151. The reversal of 7842830638141 is 1418360382487.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5650979998041 + 2191850640100 = 2377179^2 + 1480490^2 .

It is a cyclic number.

It is not a de Polignac number, because 7842830638141 - 2⁴¹ = 5643807382589 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 (7842830638151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1615896 + ... + 4277473.

It is an arithmetic number, because the mean of its divisors is an integer number (1960709465575).

Almost surely, 2^{7842830638141} is an apocalyptic number.

It is an amenable number.

7842830638141 is a deficient number, since it is larger than the sum of its proper divisors (7224159).

7842830638141 is a wasteful number, since it uses less digits than its factorization.

7842830638141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7224158.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 7842830638141 in words is "seven trillion, eight hundred forty-two billion, eight hundred thirty million, six hundred thirty-eight thousand, one hundred forty-one".