3851274321 has 12 divisors (see below), whose sum is σ = 5594032080. Its totient is φ = 2553171480.

The previous prime is 3851274313. The next prime is 3851274347. The reversal of 3851274321 is 1234721583.

3851274321 is a `hidden beast` number, since 385 + 1 + 274 + 3 + 2 + 1 = 666.

It is not a de Polignac number, because 3851274321 - 2³ = 3851274313 is a prime.

It is a super-2 number, since 2×3851274321² = 29664627791188022082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3851274311) 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, 1193695 + ... + 1196916.

It is an arithmetic number, because the mean of its divisors is an integer number (466169340).

Almost surely, 2^3851274321 is an apocalyptic number.

It is an amenable number.

3851274321 is a deficient number, since it is larger than the sum of its proper divisors (1742757759).

3851274321 is a wasteful number, since it uses less digits than its factorization.

3851274321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390796 (or 2390793 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 3851274321 is about 62058.6361516268. The cubic root of 3851274321 is about 1567.4781102382.

The spelling of 3851274321 in words is "three billion, eight hundred fifty-one million, two hundred seventy-four thousand, three hundred twenty-one".