9478456545 has 32 divisors (see below), whose sum is σ = 15255757440. Its totient is φ = 5025162240.

The previous prime is 9478456531. The next prime is 9478456571. The reversal of 9478456545 is 5456548749.

9478456545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9478456545 - 2¹² = 9478452449 is a prime.

It is a super-2 number, since 2×9478456545² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4103851 + ... + 4106159.

It is an arithmetic number, because the mean of its divisors is an integer number (476742420).

Almost surely, 2^9478456545 is an apocalyptic number.

It is an amenable number.

9478456545 is a deficient number, since it is larger than the sum of its proper divisors (5777300895).

9478456545 is a wasteful number, since it uses less digits than its factorization.

9478456545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825.

The product of its digits is 24192000, while the sum is 57.

The square root of 9478456545 is about 97357.3651297117. The cubic root of 9478456545 is about 2116.3096282346.

The spelling of 9478456545 in words is "nine billion, four hundred seventy-eight million, four hundred fifty-six thousand, five hundred forty-five".