9545455391 has 16 divisors (see below), whose sum is σ = 10132572000. Its totient is φ = 8967024000.

The previous prime is 9545455379. The next prime is 9545455411. The reversal of 9545455391 is 1935545459.

9545455391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9545455391 - 2⁶ = 9545455327 is a prime.

It is a super-2 number, since 2×9545455391² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9545455321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1868741 + ... + 1873841.

It is an arithmetic number, because the mean of its divisors is an integer number (633285750).

Almost surely, 2^9545455391 is an apocalyptic number.

9545455391 is a deficient number, since it is larger than the sum of its proper divisors (587116609).

9545455391 is a wasteful number, since it uses less digits than its factorization.

9545455391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930.

The product of its digits is 2430000, while the sum is 50.

The square root of 9545455391 is about 97700.8464190562. The cubic root of 9545455391 is about 2121.2843314655.

The spelling of 9545455391 in words is "nine billion, five hundred forty-five million, four hundred fifty-five thousand, three hundred ninety-one".