213425614664 has 16 divisors (see below), whose sum is σ = 400220030700. Its totient is φ = 106700273152.

The previous prime is 213425614663. The next prime is 213425614667. The reversal of 213425614664 is 466416524312.

It can be written as a sum of positive squares in 2 ways, for example, as 211333284100 + 2092330564 = 459710^2 + 45742^2 .

It is not an unprimeable number, because it can be changed into a prime (213425614663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494209 + ... + 1630800.

Almost surely, 2^213425614664 is an apocalyptic number.

It is an amenable number.

213425614664 is a deficient number, since it is larger than the sum of its proper divisors (186794416036).

213425614664 is a wasteful number, since it uses less digits than its factorization.

213425614664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133552 (or 3133548 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The spelling of 213425614664 in words is "two hundred thirteen billion, four hundred twenty-five million, six hundred fourteen thousand, six hundred sixty-four".