210988828673 has 16 divisors (see below), whose sum is σ = 255375938304. Its totient is φ = 170168325120.

The previous prime is 210988828663. The next prime is 210988828697. The reversal of 210988828673 is 376828889012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210988828673 - 2¹² = 210988824577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210988828663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284828 + ... + 709298.

It is an arithmetic number, because the mean of its divisors is an integer number (15960996144).

Almost surely, 2^210988828673 is an apocalyptic number.

It is an amenable number.

210988828673 is a deficient number, since it is larger than the sum of its proper divisors (44387109631).

210988828673 is a wasteful number, since it uses less digits than its factorization.

210988828673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428672.

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 210988828673 in words is "two hundred ten billion, nine hundred eighty-eight million, eight hundred twenty-eight thousand, six hundred seventy-three".