9493645646 has 16 divisors (see below), whose sum is σ = 14926270464. Its totient is φ = 4520073624.

The previous prime is 9493645549. The next prime is 9493645657. The reversal of 9493645646 is 6465463949.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9493645591 and 9493645600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452486 + ... + 473001.

It is an arithmetic number, because the mean of its divisors is an integer number (932891904).

Almost surely, 2^9493645646 is an apocalyptic number.

9493645646 is a deficient number, since it is larger than the sum of its proper divisors (5432624818).

9493645646 is a wasteful number, since it uses less digits than its factorization.

9493645646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925735.

The product of its digits is 16796160, while the sum is 56.

The square root of 9493645646 is about 97435.3408471485. The cubic root of 9493645646 is about 2117.4394776374.

The spelling of 9493645646 in words is "nine billion, four hundred ninety-three million, six hundred forty-five thousand, six hundred forty-six".