6685435270 has 16 divisors (see below), whose sum is σ = 12045144528. Its totient is φ = 2671649440.

The previous prime is 6685435259. The next prime is 6685435271. The reversal of 6685435270 is 725345866.

It is a self number, because there is not a number n which added to its sum of digits gives 6685435270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6685435271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304444 + ... + 325663.

It is an arithmetic number, because the mean of its divisors is an integer number (752821533).

Almost surely, 2^6685435270 is an apocalyptic number.

6685435270 is a deficient number, since it is larger than the sum of its proper divisors (5359709258).

6685435270 is a wasteful number, since it uses less digits than its factorization.

6685435270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631175.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The square root of 6685435270 is about 81764.5110668437. The cubic root of 6685435270 is about 1883.8365960954.

The spelling of 6685435270 in words is "six billion, six hundred eighty-five million, four hundred thirty-five thousand, two hundred seventy".