9854421456 has 80 divisors (see below), whose sum is σ = 28417466880. Its totient is φ = 2916735360.

The previous prime is 9854421449. The next prime is 9854421491. The reversal of 9854421456 is 6541244589.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194316 + ... + 239723.

It is an arithmetic number, because the mean of its divisors is an integer number (355218336).

Almost surely, 2^9854421456 is an apocalyptic number.

It is an amenable number.

9854421456 is an abundant number, since it is smaller than the sum of its proper divisors (18563045424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9854421456 is a wasteful number, since it uses less digits than its factorization.

9854421456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434104 (or 434098 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The square root of 9854421456 is about 99269.4386807944. The cubic root of 9854421456 is about 2143.9288944358.

The spelling of 9854421456 in words is "nine billion, eight hundred fifty-four million, four hundred twenty-one thousand, four hundred fifty-six".