210040232613 has 4 divisors (see below), whose sum is σ = 280053643488. Its totient is φ = 140026821740.

The previous prime is 210040232543. The next prime is 210040232627. The reversal of 210040232613 is 316232040012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210040232613 - 2¹³ = 210040224421 is a prime.

It is a super-2 number, since 2×210040232613² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210040232663) 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, 35006705433 + ... + 35006705438.

It is an arithmetic number, because the mean of its divisors is an integer number (70013410872).

Almost surely, 2^210040232613 is an apocalyptic number.

It is an amenable number.

210040232613 is a deficient number, since it is larger than the sum of its proper divisors (70013410875).

210040232613 is an equidigital number, since it uses as much as digits as its factorization.

210040232613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70013410874.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 210040232613 its reverse (316232040012), we get a palindrome (526272272625).

The spelling of 210040232613 in words is "two hundred ten billion, forty million, two hundred thirty-two thousand, six hundred thirteen".