9554641420 has 12 divisors (see below), whose sum is σ = 20064747024. Its totient is φ = 3821856560.

The previous prime is 9554641379. The next prime is 9554641429. The reversal of 9554641420 is 241464559.

It is not an unprimeable number, because it can be changed into a prime (9554641429) 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, 238866016 + ... + 238866055.

It is an arithmetic number, because the mean of its divisors is an integer number (1672062252).

Almost surely, 2^9554641420 is an apocalyptic number.

It is an amenable number.

9554641420 is an abundant number, since it is smaller than the sum of its proper divisors (10510105604).

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

9554641420 is a wasteful number, since it uses less digits than its factorization.

9554641420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477732080 (or 477732078 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 9554641420 is about 97747.8461143774. The cubic root of 9554641420 is about 2121.9645829958.

The spelling of 9554641420 in words is "nine billion, five hundred fifty-four million, six hundred forty-one thousand, four hundred twenty".