210734741513 has 4 divisors (see below), whose sum is σ = 213621518868. Its totient is φ = 207847964160.

The previous prime is 210734741479. The next prime is 210734741531. The reversal of 210734741513 is 315147437012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89071208704 + 121663532809 = 298448^2 + 348803^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210734741513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210734791513) 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, 1443388568 + ... + 1443388713.

It is an arithmetic number, because the mean of its divisors is an integer number (53405379717).

Almost surely, 2^210734741513 is an apocalyptic number.

It is an amenable number.

210734741513 is a deficient number, since it is larger than the sum of its proper divisors (2886777355).

210734741513 is an equidigital number, since it uses as much as digits as its factorization.

210734741513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886777354.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 210734741513 in words is "two hundred ten billion, seven hundred thirty-four million, seven hundred forty-one thousand, five hundred thirteen".