1680357747301 has 2 divisors, whose sum is σ = 1680357747302. Its totient is φ = 1680357747300.

The previous prime is 1680357747281. The next prime is 1680357747373. The reversal of 1680357747301 is 1037477530861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1680069630625 + 288116676 = 1296175^2 + 16974^2 .

It is a cyclic number.

It is not a de Polignac number, because 1680357747301 - 2⁵ = 1680357747269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1680354747301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840178873650 + 840178873651.

It is an arithmetic number, because the mean of its divisors is an integer number (840178873651).

Almost surely, 2^{1680357747301} is an apocalyptic number.

It is an amenable number.

1680357747301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1680357747301 is an equidigital number, since it uses as much as digits as its factorization.

1680357747301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 1680357747301 in words is "one trillion, six hundred eighty billion, three hundred fifty-seven million, seven hundred forty-seven thousand, three hundred one".