213315562417 has 4 divisors (see below), whose sum is σ = 213343857396. Its totient is φ = 213287267440.

The previous prime is 213315562379. The next prime is 213315562423. The reversal of 213315562417 is 714265513312.

213315562417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 134134667536 + 79180894881 = 366244^2 + 281391^2 .

It is a cyclic number.

It is not a de Polignac number, because 213315562417 - 2¹⁹ = 213315038129 is a prime.

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 213315562417.

It is not an unprimeable number, because it can be changed into a prime (213315560417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14136178 + ... + 14151259.

It is an arithmetic number, because the mean of its divisors is an integer number (53335964349).

Almost surely, 2^213315562417 is an apocalyptic number.

It is an amenable number.

213315562417 is a deficient number, since it is larger than the sum of its proper divisors (28294979).

213315562417 is an equidigital number, since it uses as much as digits as its factorization.

213315562417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28294978.

The product of its digits is 151200, while the sum is 40.

The spelling of 213315562417 in words is "two hundred thirteen billion, three hundred fifteen million, five hundred sixty-two thousand, four hundred seventeen".