210007817013013 has 4 divisors (see below), whose sum is σ = 210007864439008. Its totient is φ = 210007769587020.

The previous prime is 210007817013011. The next prime is 210007817013083. The reversal of 210007817013013 is 310310718700012.

It is a happy number.

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 210007817013013 - 2¹ = 210007817013011 is a prime.

It is a super-2 number, since 2×210007817013013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210007817013013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210007817013011) 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, 16297923 + ... + 26184688.

It is an arithmetic number, because the mean of its divisors is an integer number (52501966109752).

Almost surely, 2^{210007817013013} is an apocalyptic number.

It is an amenable number.

210007817013013 is a deficient number, since it is larger than the sum of its proper divisors (47425995).

210007817013013 is an equidigital number, since it uses as much as digits as its factorization.

210007817013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47425994.

The product of its (nonzero) digits is 7056, while the sum is 34.

The spelling of 210007817013013 in words is "two hundred ten trillion, seven billion, eight hundred seventeen million, thirteen thousand, thirteen".