1680030003601 has 2 divisors, whose sum is σ = 1680030003602. Its totient is φ = 1680030003600.

The previous prime is 1680030003551. The next prime is 1680030003637. The reversal of 1680030003601 is 1063000300861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1459261584001 + 220768419600 = 1207999^2 + 469860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1680030003601 - 2⁷ = 1680030003473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1680030003601.

It is not a weakly prime, because it can be changed into another prime (1680030003101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840015001800 + 840015001801.

It is an arithmetic number, because the mean of its divisors is an integer number (840015001801).

Almost surely, 2^{1680030003601} is an apocalyptic number.

It is an amenable number.

1680030003601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680030003601 is an equidigital number, since it uses as much as digits as its factorization.

1680030003601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 1680030003601 in words is "one trillion, six hundred eighty billion, thirty million, three thousand, six hundred one".