215006707473 has 16 divisors (see below), whose sum is σ = 287034854400. Its totient is φ = 143158271184.

The previous prime is 215006707469. The next prime is 215006707501. The reversal of 215006707473 is 374707600512.

It is not a de Polignac number, because 215006707473 - 2² = 215006707469 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (215006707403) 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, 12565678 + ... + 12582776.

It is an arithmetic number, because the mean of its divisors is an integer number (17939678400).

Almost surely, 2^215006707473 is an apocalyptic number.

It is an amenable number.

215006707473 is a deficient number, since it is larger than the sum of its proper divisors (72028146927).

215006707473 is a wasteful number, since it uses less digits than its factorization.

215006707473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22108.

The product of its (nonzero) digits is 246960, while the sum is 42.

The spelling of 215006707473 in words is "two hundred fifteen billion, six million, seven hundred seven thousand, four hundred seventy-three".