213488889565007 has 4 divisors (see below), whose sum is σ = 243987302360016. Its totient is φ = 182990476770000.

The previous prime is 213488889564989. The next prime is 213488889565033. The reversal of 213488889565007 is 700565988884312.

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 213488889565007 - 2³² = 213484594597711 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 (213488889565037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15249206397494 + ... + 15249206397507.

It is an arithmetic number, because the mean of its divisors is an integer number (60996825590004).

It is a 1-persistent number, because it is pandigital, but 2⋅213488889565007 = 426977779130014 is not.

Almost surely, 2^{213488889565007} is an apocalyptic number.

213488889565007 is a deficient number, since it is larger than the sum of its proper divisors (30498412795009).

213488889565007 is an equidigital number, since it uses as much as digits as its factorization.

213488889565007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30498412795008.

The product of its (nonzero) digits is 928972800, while the sum is 74.

Adding to 213488889565007 its sum of digits (74), we get a square (213488889565081 = 14611259²).

The spelling of 213488889565007 in words is "two hundred thirteen trillion, four hundred eighty-eight billion, eight hundred eighty-nine million, five hundred sixty-five thousand, seven".