42617213215 has 16 divisors (see below), whose sum is σ = 54174784608. Its totient is φ = 32072933376.

The previous prime is 42617213209. The next prime is 42617213227. The reversal of 42617213215 is 51231271624.

It is a cyclic number.

It is not a de Polignac number, because 42617213215 - 2³ = 42617213207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 60964 + ... + 298246.

It is an arithmetic number, because the mean of its divisors is an integer number (3385924038).

Almost surely, 2^42617213215 is an apocalyptic number.

42617213215 is a deficient number, since it is larger than the sum of its proper divisors (11557571393).

42617213215 is a wasteful number, since it uses less digits than its factorization.

42617213215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239418.

The product of its digits is 20160, while the sum is 34.

Adding to 42617213215 its reverse (51231271624), we get a palindrome (93848484839).

The spelling of 42617213215 in words is "forty-two billion, six hundred seventeen million, two hundred thirteen thousand, two hundred fifteen".