213630601461 has 8 divisors (see below), whose sum is σ = 285202737504. Its totient is φ = 142239433200.

The previous prime is 213630601421. The next prime is 213630601477. The reversal of 213630601461 is 164106036312.

213630601461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-213630601461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213630601421) 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 7 ways as a sum of consecutive naturals, for example, 45239190 + ... + 45243911.

It is an arithmetic number, because the mean of its divisors is an integer number (35650342188).

Almost surely, 2^213630601461 is an apocalyptic number.

It is an amenable number.

213630601461 is a deficient number, since it is larger than the sum of its proper divisors (71572136043).

213630601461 is an equidigital number, since it uses as much as digits as its factorization.

213630601461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90483891.

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 213630601461 its reverse (164106036312), we get a palindrome (377736637773).

The spelling of 213630601461 in words is "two hundred thirteen billion, six hundred thirty million, six hundred one thousand, four hundred sixty-one".