3145685863 has 8 divisors (see below), whose sum is σ = 3160228176. Its totient is φ = 3131160000.

The previous prime is 3145685849. The next prime is 3145685891. The reversal of 3145685863 is 3685865413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3145685863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145685813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537493 + ... + 543313.

It is an arithmetic number, because the mean of its divisors is an integer number (395028522).

Almost surely, 2^3145685863 is an apocalyptic number.

3145685863 is a deficient number, since it is larger than the sum of its proper divisors (14542313).

3145685863 is a wasteful number, since it uses less digits than its factorization.

3145685863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8225.

The product of its digits is 2073600, while the sum is 49.

The square root of 3145685863 is about 56086.4142462326. The cubic root of 3145685863 is about 1465.2276881723.

The spelling of 3145685863 in words is "three billion, one hundred forty-five million, six hundred eighty-five thousand, eight hundred sixty-three".