9454689871 has 4 divisors (see below), whose sum is σ = 10314207144. Its totient is φ = 8595172600.

The previous prime is 9454689869. The next prime is 9454689943. The reversal of 9454689871 is 1789864549.

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 9454689871 - 2¹ = 9454689869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9454689071) 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, 429758620 + ... + 429758641.

It is an arithmetic number, because the mean of its divisors is an integer number (2578551786).

Almost surely, 2^9454689871 is an apocalyptic number.

9454689871 is a deficient number, since it is larger than the sum of its proper divisors (859517273).

9454689871 is a wasteful number, since it uses less digits than its factorization.

9454689871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859517272.

The product of its digits is 17418240, while the sum is 61.

The square root of 9454689871 is about 97235.2295775559. The cubic root of 9454689871 is about 2114.5393069838.

The spelling of 9454689871 in words is "nine billion, four hundred fifty-four million, six hundred eighty-nine thousand, eight hundred seventy-one".