213744620407603 has 4 divisors (see below), whose sum is σ = 213753159628848. Its totient is φ = 213736081186360.

The previous prime is 213744620407597. The next prime is 213744620407639. The reversal of 213744620407603 is 306704026447312.

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

It is a cyclic number.

It is not a de Polignac number, because 213744620407603 - 2³⁷ = 213607181454131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213744620407103) 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, 4269573076 + ... + 4269623137.

It is an arithmetic number, because the mean of its divisors is an integer number (53438289907212).

Almost surely, 2^{213744620407603} is an apocalyptic number.

213744620407603 is a deficient number, since it is larger than the sum of its proper divisors (8539221245).

213744620407603 is an equidigital number, since it uses as much as digits as its factorization.

213744620407603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539221244.

The product of its (nonzero) digits is 4064256, while the sum is 49.

The spelling of 213744620407603 in words is "two hundred thirteen trillion, seven hundred forty-four billion, six hundred twenty million, four hundred seven thousand, six hundred three".