1982135017 has 2 divisors, whose sum is σ = 1982135018. Its totient is φ = 1982135016.

The previous prime is 1982134997. The next prime is 1982135021. The reversal of 1982135017 is 7105312891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1978826256 + 3308761 = 44484^2 + 1819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1982135017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1982135027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991067508 + 991067509.

It is an arithmetic number, because the mean of its divisors is an integer number (991067509).

Almost surely, 2^1982135017 is an apocalyptic number.

It is an amenable number.

1982135017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982135017 is an equidigital number, since it uses as much as digits as its factorization.

1982135017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 1982135017 is about 44521.1749283417. The cubic root of 1982135017 is about 1256.1584129595.

The spelling of 1982135017 in words is "one billion, nine hundred eighty-two million, one hundred thirty-five thousand, seventeen".