210109789405632 has 224 divisors, whose sum is σ = 571626789972480. Its totient is φ = 68073723002880.

The previous prime is 210109789405591. The next prime is 210109789405679. The reversal of 210109789405632 is 236504987901012.

It is a super-2 number, since 2×210109789405632² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2017111632 + ... + 2017215792.

It is a 1-persistent number, because it is pandigital, but 2⋅210109789405632 = 420219578811264 is not.

Almost surely, 2^{210109789405632} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210109789405632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285813394986240).

210109789405632 is an abundant number, since it is smaller than the sum of its proper divisors (361517000566848).

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

210109789405632 is a wasteful number, since it uses less digits than its factorization.

210109789405632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105411 (or 105401 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 210109789405632 in words is "two hundred ten trillion, one hundred nine billion, seven hundred eighty-nine million, four hundred five thousand, six hundred thirty-two".