9903466643 has 8 divisors (see below), whose sum is σ = 11355117312. Its totient is φ = 8461033416.

The previous prime is 9903466627. The next prime is 9903466663. The reversal of 9903466643 is 3466643099.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9903466643 - 2⁴ = 9903466627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9903466591 and 9903466600.

It is not an unprimeable number, because it can be changed into a prime (9903466613) 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, 2302055 + ... + 2306352.

It is an arithmetic number, because the mean of its divisors is an integer number (1419389664).

Almost surely, 2^9903466643 is an apocalyptic number.

9903466643 is a deficient number, since it is larger than the sum of its proper divisors (1451650669).

9903466643 is a wasteful number, since it uses less digits than its factorization.

9903466643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608721.

The product of its (nonzero) digits is 2519424, while the sum is 50.

The square root of 9903466643 is about 99516.1627224442. The cubic root of 9903466643 is about 2147.4797686249.

The spelling of 9903466643 in words is "nine billion, nine hundred three million, four hundred sixty-six thousand, six hundred forty-three".