3821781210 has 48 divisors (see below), whose sum is σ = 9932121504. Its totient is φ = 940744896.

The previous prime is 3821781151. The next prime is 3821781251. The reversal of 3821781210 is 121871283.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371832 + ... + 381971.

It is an arithmetic number, because the mean of its divisors is an integer number (206919198).

Almost surely, 2^3821781210 is an apocalyptic number.

3821781210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3821781210 is an abundant number, since it is smaller than the sum of its proper divisors (6110340294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3821781210 is a wasteful number, since it uses less digits than its factorization.

3821781210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753839 (or 753826 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 3821781210 is about 61820.5565325968. The cubic root of 3821781210 is about 1563.4665964578.

The spelling of 3821781210 in words is "three billion, eight hundred twenty-one million, seven hundred eighty-one thousand, two hundred ten".