9471812032387 has 4 divisors (see below), whose sum is σ = 9471835556496. Its totient is φ = 9471788508280.

The previous prime is 9471812032381. The next prime is 9471812032477. The reversal of 9471812032387 is 7832302181749.

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 9471812032387 - 2⁷ = 9471812032259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9471812032381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11147383 + ... + 11966944.

It is an arithmetic number, because the mean of its divisors is an integer number (2367958889124).

Almost surely, 2^{9471812032387} is an apocalyptic number.

9471812032387 is a deficient number, since it is larger than the sum of its proper divisors (23524109).

9471812032387 is a wasteful number, since it uses less digits than its factorization.

9471812032387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23524108.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 9471812032387 in words is "nine trillion, four hundred seventy-one billion, eight hundred twelve million, thirty-two thousand, three hundred eighty-seven".