6282816381 has 8 divisors (see below), whose sum is σ = 9307876160. Its totient is φ = 4188544236.

The previous prime is 6282816377. The next prime is 6282816383. The reversal of 6282816381 is 1836182826.

6282816381 is a `hidden beast` number, since 6 + 2 + 8 + 2 + 8 + 1 + 638 + 1 = 666.

It is not a de Polignac number, because 6282816381 - 2² = 6282816377 is a prime.

It is a super-2 number, since 2×6282816381² = 78947563354723874322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6282816383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116348425 + ... + 116348478.

It is an arithmetic number, because the mean of its divisors is an integer number (1163484520).

Almost surely, 2^6282816381 is an apocalyptic number.

It is an amenable number.

6282816381 is a deficient number, since it is larger than the sum of its proper divisors (3025059779).

6282816381 is a wasteful number, since it uses less digits than its factorization.

6282816381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232696912 (or 232696906 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 6282816381 is about 79264.2187938543. The cubic root of 6282816381 is about 1845.2340320483.

The spelling of 6282816381 in words is "six billion, two hundred eighty-two million, eight hundred sixteen thousand, three hundred eighty-one".