3281949642 has 8 divisors (see below), whose sum is σ = 6563899296. Its totient is φ = 1093983212.

The previous prime is 3281949599. The next prime is 3281949659. The reversal of 3281949642 is 2469491823.

It is a sphenic number, since it is the product of 3 distinct primes.

3281949642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 3281949591 and 3281949600.

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 3 ways as a sum of consecutive naturals, for example, 273495798 + ... + 273495809.

It is an arithmetic number, because the mean of its divisors is an integer number (820487412).

Almost surely, 2^3281949642 is an apocalyptic number.

3281949642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3281949642 is a wasteful number, since it uses less digits than its factorization.

3281949642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546991612.

The product of its digits is 746496, while the sum is 48.

The square root of 3281949642 is about 57288.3028374903. The cubic root of 3281949642 is about 1486.0860963662.

The spelling of 3281949642 in words is "three billion, two hundred eighty-one million, nine hundred forty-nine thousand, six hundred forty-two".