9645454456 has 32 divisors (see below), whose sum is σ = 19843412400. Its totient is φ = 4358947840.

The previous prime is 9645454439. The next prime is 9645454459. The reversal of 9645454456 is 6544545469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9645454459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301561 + ... + 332008.

Almost surely, 2^9645454456 is an apocalyptic number.

It is an amenable number.

9645454456 is an abundant number, since it is smaller than the sum of its proper divisors (10197957944).

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

9645454456 is a wasteful number, since it uses less digits than its factorization.

9645454456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633759 (or 633755 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 52.

The square root of 9645454456 is about 98211.2745869842. The cubic root of 9645454456 is about 2128.6662030955. Note that the first 3 decimals are identical.

The spelling of 9645454456 in words is "nine billion, six hundred forty-five million, four hundred fifty-four thousand, four hundred fifty-six".