1980741341 has 2 divisors, whose sum is σ = 1980741342. Its totient is φ = 1980741340.

The previous prime is 1980741337. The next prime is 1980741361. The reversal of 1980741341 is 1431470891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1489188100 + 491553241 = 38590^2 + 22171^2 .

It is a cyclic number.

It is not a de Polignac number, because 1980741341 - 2² = 1980741337 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 = 1980741295 and 1980741304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1980741331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990370670 + 990370671.

It is an arithmetic number, because the mean of its divisors is an integer number (990370671).

Almost surely, 2^1980741341 is an apocalyptic number.

It is an amenable number.

1980741341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980741341 is an equidigital number, since it uses as much as digits as its factorization.

1980741341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1980741341 is about 44505.5203429867. The cubic root of 1980741341 is about 1255.8639344823.

The spelling of 1980741341 in words is "one billion, nine hundred eighty million, seven hundred forty-one thousand, three hundred forty-one".