6685701723 has 12 divisors (see below), whose sum is σ = 9793141488. Its totient is φ = 4394357520.

The previous prime is 6685701683. The next prime is 6685701751. The reversal of 6685701723 is 3271075866.

6685701723 is a `hidden beast` number, since 6 + 6 + 8 + 570 + 1 + 72 + 3 = 666.

It is not a de Polignac number, because 6685701723 - 2²² = 6681507419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6685701793) 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, 5230740 + ... + 5232017.

It is an arithmetic number, because the mean of its divisors is an integer number (816095124).

Almost surely, 2^6685701723 is an apocalyptic number.

6685701723 is a deficient number, since it is larger than the sum of its proper divisors (3107439765).

6685701723 is a wasteful number, since it uses less digits than its factorization.

6685701723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462834 (or 10462831 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 6685701723 is about 81766.1404433400. The cubic root of 6685701723 is about 1883.8616229996.

The spelling of 6685701723 in words is "six billion, six hundred eighty-five million, seven hundred one thousand, seven hundred twenty-three".