215230866593 has 8 divisors (see below), whose sum is σ = 229288432800. Its totient is φ = 201446263008.

The previous prime is 215230866583. The next prime is 215230866607. The reversal of 215230866593 is 395668032512.

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

It is a cyclic number.

It is not a de Polignac number, because 215230866593 - 2⁴ = 215230866577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215230866583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68239028 + ... + 68242181.

It is an arithmetic number, because the mean of its divisors is an integer number (28661054100).

Almost surely, 2^215230866593 is an apocalyptic number.

It is an amenable number.

215230866593 is a deficient number, since it is larger than the sum of its proper divisors (14057566207).

215230866593 is a wasteful number, since it uses less digits than its factorization.

215230866593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136481311.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The spelling of 215230866593 in words is "two hundred fifteen billion, two hundred thirty million, eight hundred sixty-six thousand, five hundred ninety-three".