215427145593 has 16 divisors (see below), whose sum is σ = 315938238912. Its totient is φ = 130561904000.

The previous prime is 215427145573. The next prime is 215427145603. The reversal of 215427145593 is 395541724512.

It is not a de Polignac number, because 215427145593 - 2¹⁴ = 215427129209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215427145573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26971608 + ... + 26979593.

It is an arithmetic number, because the mean of its divisors is an integer number (19746139932).

Almost surely, 2^215427145593 is an apocalyptic number.

It is an amenable number.

215427145593 is a deficient number, since it is larger than the sum of its proper divisors (100511093319).

215427145593 is an equidigital number, since it uses as much as digits as its factorization.

215427145593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53951237 (or 53951215 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 48.

The spelling of 215427145593 in words is "two hundred fifteen billion, four hundred twenty-seven million, one hundred forty-five thousand, five hundred ninety-three".