6685485601 has 12 divisors (see below), whose sum is σ = 7012811988. Its totient is φ = 6372839264.

The previous prime is 6685485533. The next prime is 6685485629. The reversal of 6685485601 is 1065845866.

It can be written as a sum of positive squares in 2 ways, for example, as 4182984976 + 2502500625 = 64676^2 + 50025^2 .

It is not a de Polignac number, because 6685485601 - 2¹⁹ = 6684961313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6685485661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133431 + ... + 176563.

It is an arithmetic number, because the mean of its divisors is an integer number (584400999).

Almost surely, 2^6685485601 is an apocalyptic number.

It is an amenable number.

6685485601 is a deficient number, since it is larger than the sum of its proper divisors (327326387).

6685485601 is a wasteful number, since it uses less digits than its factorization.

6685485601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43472 (or 43449 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The square root of 6685485601 is about 81764.8188464941. The cubic root of 6685485601 is about 1883.8413235434.

The spelling of 6685485601 in words is "six billion, six hundred eighty-five million, four hundred eighty-five thousand, six hundred one".