979421141 has 2 divisors, whose sum is σ = 979421142. Its totient is φ = 979421140.

The previous prime is 979421137. The next prime is 979421171. The reversal of 979421141 is 141124979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 971880625 + 7540516 = 31175^2 + 2746^2 .

It is a cyclic number.

It is not a de Polignac number, because 979421141 - 2² = 979421137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 979421095 and 979421104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979421171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489710570 + 489710571.

It is an arithmetic number, because the mean of its divisors is an integer number (489710571).

Almost surely, 2^979421141 is an apocalyptic number.

It is an amenable number.

979421141 is a deficient number, since it is larger than the sum of its proper divisors (1).

979421141 is an equidigital number, since it uses as much as digits as its factorization.

979421141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 38.

The square root of 979421141 is about 31295.7048330917. The cubic root of 979421141 is about 993.0927804992.

The spelling of 979421141 in words is "nine hundred seventy-nine million, four hundred twenty-one thousand, one hundred forty-one".