210097399392 has 144 divisors (see below), whose sum is σ = 601064715888. Its totient is φ = 69611351040.

The previous prime is 210097399381. The next prime is 210097399399. The reversal of 210097399392 is 293993790012.

210097399392 is a `hidden beast` number, since 210 + 0 + 9 + 7 + 39 + 9 + 392 = 666.

210097399392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210097399399) 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 23 ways as a sum of consecutive naturals, for example, 61556278 + ... + 61559690.

It is an arithmetic number, because the mean of its divisors is an integer number (4174060527).

Almost surely, 2^210097399392 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 210097399392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300532357944).

210097399392 is an abundant number, since it is smaller than the sum of its proper divisors (390967316496).

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

210097399392 is a wasteful number, since it uses less digits than its factorization.

210097399392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653 (or 4642 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 54.

The spelling of 210097399392 in words is "two hundred ten billion, ninety-seven million, three hundred ninety-nine thousand, three hundred ninety-two".