680046440201 has 2 divisors, whose sum is σ = 680046440202. Its totient is φ = 680046440200.

The previous prime is 680046440191. The next prime is 680046440231. The reversal of 680046440201 is 102044640086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 668631654601 + 11414785600 = 817699^2 + 106840^2 .

It is a cyclic number.

It is not a de Polignac number, because 680046440201 - 2¹⁸ = 680046178057 is a prime.

It is not a weakly prime, because it can be changed into another prime (680046440231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340023220100 + 340023220101.

It is an arithmetic number, because the mean of its divisors is an integer number (340023220101).

Almost surely, 2^680046440201 is an apocalyptic number.

It is an amenable number.

680046440201 is a deficient number, since it is larger than the sum of its proper divisors (1).

680046440201 is an equidigital number, since it uses as much as digits as its factorization.

680046440201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 680046440201 in words is "six hundred eighty billion, forty-six million, four hundred forty thousand, two hundred one".