906210686322 has 54 divisors (see below), whose sum is σ = 1997824788687. Its totient is φ = 296872311192.

The previous prime is 906210686221. The next prime is 906210686341. The reversal of 906210686322 is 223686012609.

906210686322 is a `hidden beast` number, since 9 + 0 + 6 + 2 + 1 + 0 + 6 + 8 + 632 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 453105343161 + 453105343161 = 673131^2 + 673131^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=673131.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 238286473 + ... + 238290275.

Almost surely, 2^906210686322 is an apocalyptic number.

906210686322 is an abundant number, since it is smaller than the sum of its proper divisors (1091614102365).

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

906210686322 is an frugal number, since it uses more digits than its factorization.

906210686322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 906210686322 in words is "nine hundred six billion, two hundred ten million, six hundred eighty-six thousand, three hundred twenty-two".