3281934857 has 2 divisors, whose sum is σ = 3281934858. Its totient is φ = 3281934856.

The previous prime is 3281934853. The next prime is 3281934911. The reversal of 3281934857 is 7584391823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1878008896 + 1403925961 = 43336^2 + 37469^2 .

It is a cyclic number.

It is not a de Polignac number, because 3281934857 - 2² = 3281934853 is a prime.

It is a super-2 number, since 2×3281934857² = 21542192811183220898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3281934853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640967428 + 1640967429.

It is an arithmetic number, because the mean of its divisors is an integer number (1640967429).

Almost surely, 2^3281934857 is an apocalyptic number.

It is an amenable number.

3281934857 is a deficient number, since it is larger than the sum of its proper divisors (1).

3281934857 is an equidigital number, since it uses as much as digits as its factorization.

3281934857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 50.

The square root of 3281934857 is about 57288.1737970412. The cubic root of 3281934857 is about 1486.0838647845.

It can be divided in two parts, 32819 and 34857, that added together give a palindrome (67676).

The spelling of 3281934857 in words is "three billion, two hundred eighty-one million, nine hundred thirty-four thousand, eight hundred fifty-seven".