213116415253 has 6 divisors (see below), whose sum is σ = 247910932086. Its totient is φ = 182671213032.

The previous prime is 213116415241. The next prime is 213116415301. The reversal of 213116415253 is 352514611312.

It can be written as a sum of positive squares in only one way, i.e., 158080193649 + 55036221604 = 397593^2 + 234598^2 .

It is not a de Polignac number, because 213116415253 - 2¹⁷ = 213116284181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213116415203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2174657250 + ... + 2174657347.

It is an arithmetic number, because the mean of its divisors is an integer number (41318488681).

Almost surely, 2^213116415253 is an apocalyptic number.

It is an amenable number.

213116415253 is a deficient number, since it is larger than the sum of its proper divisors (34794516833).

213116415253 is an equidigital number, since it uses as much as digits as its factorization.

213116415253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349314611 (or 4349314604 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The spelling of 213116415253 in words is "two hundred thirteen billion, one hundred sixteen million, four hundred fifteen thousand, two hundred fifty-three".