6281106820 has 24 divisors (see below), whose sum is σ = 13246944984. Its totient is φ = 2501657856.

The previous prime is 6281106817. The next prime is 6281106847. The reversal of 6281106820 is 286011826.

It can be written as a sum of positive squares in 4 ways, for example, as 58736896 + 6222369924 = 7664^2 + 78882^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669279 + ... + 678598.

It is an arithmetic number, because the mean of its divisors is an integer number (551956041).

Almost surely, 2^6281106820 is an apocalyptic number.

It is an amenable number.

6281106820 is an abundant number, since it is smaller than the sum of its proper divisors (6965838164).

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

6281106820 is a wasteful number, since it uses less digits than its factorization.

6281106820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348119 (or 1348117 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 6281106820 is about 79253.4341211786. The cubic root of 6281106820 is about 1845.0666534871.

The spelling of 6281106820 in words is "six billion, two hundred eighty-one million, one hundred six thousand, eight hundred twenty".