3141785672 has 8 divisors (see below), whose sum is σ = 5890848150. Its totient is φ = 1570892832.

The previous prime is 3141785651. The next prime is 3141785683. The reversal of 3141785672 is 2765871413.

It can be written as a sum of positive squares in only one way, i.e., 3063179716 + 78605956 = 55346^2 + 8866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196361597 + ... + 196361612.

Almost surely, 2^3141785672 is an apocalyptic number.

It is an amenable number.

3141785672 is a deficient number, since it is larger than the sum of its proper divisors (2749062478).

3141785672 is a wasteful number, since it uses less digits than its factorization.

3141785672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392723215 (or 392723211 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 3141785672 is about 56051.6339815353. The cubic root of 3141785672 is about 1464.6218816271.

The spelling of 3141785672 in words is "three billion, one hundred forty-one million, seven hundred eighty-five thousand, six hundred seventy-two".