213682875730 has 8 divisors (see below), whose sum is σ = 384629176332. Its totient is φ = 85473150288.

The previous prime is 213682875689. The next prime is 213682875733. The reversal of 213682875730 is 37578286312.

213682875730 is digitally balanced in base 3, 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 2 ways, for example, as 211996705761 + 1686169969 = 460431^2 + 41063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (213682875733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10684143777 + ... + 10684143796.

Almost surely, 2^213682875730 is an apocalyptic number.

213682875730 is a deficient number, since it is larger than the sum of its proper divisors (170946300602).

213682875730 is a wasteful number, since it uses less digits than its factorization.

213682875730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21368287580.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 213682875730 in words is "two hundred thirteen billion, six hundred eighty-two million, eight hundred seventy-five thousand, seven hundred thirty".