213371409028 has 24 divisors (see below), whose sum is σ = 382684922424. Its totient is φ = 104035276800.

The previous prime is 213371409019. The next prime is 213371409047. The reversal of 213371409028 is 820904173312.

213371409028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6244476484 + 207126932544 = 79022^2 + 455112^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53376 + ... + 655432.

It is an arithmetic number, because the mean of its divisors is an integer number (15945205101).

Almost surely, 2^213371409028 is an apocalyptic number.

It is an amenable number.

213371409028 is a deficient number, since it is larger than the sum of its proper divisors (169313513396).

213371409028 is a wasteful number, since it uses less digits than its factorization.

213371409028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604263 (or 604261 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 213371409028 in words is "two hundred thirteen billion, three hundred seventy-one million, four hundred nine thousand, twenty-eight".