905128796210 has 8 divisors (see below), whose sum is σ = 1629231833196. Its totient is φ = 362051518480.

The previous prime is 905128796189. The next prime is 905128796219. The reversal of 905128796210 is 12697821509.

It can be written as a sum of positive squares in 2 ways, for example, as 825083372281 + 80045423929 = 908341^2 + 282923^2 .

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

It is not an unprimeable number, because it can be changed into a prime (905128796219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45256439801 + ... + 45256439820.

Almost surely, 2^905128796210 is an apocalyptic number.

905128796210 is a deficient number, since it is larger than the sum of its proper divisors (724103036986).

905128796210 is a wasteful number, since it uses less digits than its factorization.

905128796210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90512879628.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 905128796210 in words is "nine hundred five billion, one hundred twenty-eight million, seven hundred ninety-six thousand, two hundred ten".