3851685141 has 32 divisors (see below), whose sum is σ = 5421427200. Its totient is φ = 2428789440.

The previous prime is 3851685137. The next prime is 3851685143. The reversal of 3851685141 is 1415861583.

It is not a de Polignac number, because 3851685141 - 2² = 3851685137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3851685093 and 3851685102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3851685143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1697890 + ... + 1700156.

It is an arithmetic number, because the mean of its divisors is an integer number (169419600).

Almost surely, 2^3851685141 is an apocalyptic number.

It is an amenable number.

3851685141 is a deficient number, since it is larger than the sum of its proper divisors (1569742059).

3851685141 is a wasteful number, since it uses less digits than its factorization.

3851685141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689.

The product of its digits is 115200, while the sum is 42.

The square root of 3851685141 is about 62061.9459975273. The cubic root of 3851685141 is about 1567.5338431730.

The spelling of 3851685141 in words is "three billion, eight hundred fifty-one million, six hundred eighty-five thousand, one hundred forty-one".