7939316141 has 2 divisors, whose sum is σ = 7939316142. Its totient is φ = 7939316140.

The previous prime is 7939316123. The next prime is 7939316171. The reversal of 7939316141 is 1416139397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4317804100 + 3621512041 = 65710^2 + 60179^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7939316141 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7939316092 and 7939316101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7939316171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3969658070 + 3969658071.

It is an arithmetic number, because the mean of its divisors is an integer number (3969658071).

Almost surely, 2^7939316141 is an apocalyptic number.

It is an amenable number.

7939316141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7939316141 is an equidigital number, since it uses as much as digits as its factorization.

7939316141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 44.

The square root of 7939316141 is about 89102.8402521491. The cubic root of 7939316141 is about 1994.9301710263.

The spelling of 7939316141 in words is "seven billion, nine hundred thirty-nine million, three hundred sixteen thousand, one hundred forty-one".