3145349685 has 16 divisors (see below), whose sum is σ = 5068768320. Its totient is φ = 1665450240.

The previous prime is 3145349653. The next prime is 3145349723. The reversal of 3145349685 is 5869435413.

It is not a de Polignac number, because 3145349685 - 2⁵ = 3145349653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 752196 + ... + 756365.

It is an arithmetic number, because the mean of its divisors is an integer number (316798020).

Almost surely, 2^3145349685 is an apocalyptic number.

It is an amenable number.

3145349685 is a deficient number, since it is larger than the sum of its proper divisors (1923418635).

3145349685 is a wasteful number, since it uses less digits than its factorization.

3145349685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508708.

The product of its digits is 1555200, while the sum is 48.

The square root of 3145349685 is about 56083.4172015222. The cubic root of 3145349685 is about 1465.1754902433.

The spelling of 3145349685 in words is "three billion, one hundred forty-five million, three hundred forty-nine thousand, six hundred eighty-five".