9546455857 has 4 divisors (see below), whose sum is σ = 9875644020. Its totient is φ = 9217267696.

The previous prime is 9546455833. The next prime is 9546455917. The reversal of 9546455857 is 7585546459.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4392508176 + 5153947681 = 66276^2 + 71791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9546455857 is a prime.

It is a super-2 number, since 2×9546455857² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9546405857) 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, 164594038 + ... + 164594095.

It is an arithmetic number, because the mean of its divisors is an integer number (2468911005).

Almost surely, 2^9546455857 is an apocalyptic number.

It is an amenable number.

9546455857 is a deficient number, since it is larger than the sum of its proper divisors (329188163).

9546455857 is a wasteful number, since it uses less digits than its factorization.

9546455857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329188162.

The product of its digits is 30240000, while the sum is 58.

The square root of 9546455857 is about 97705.9663326657. The cubic root of 9546455857 is about 2121.3584399852.

It can be divided in two parts, 95464 and 55857, that added together give a square (151321 = 389²).

The spelling of 9546455857 in words is "nine billion, five hundred forty-six million, four hundred fifty-five thousand, eight hundred fifty-seven".