9090999963 has 24 divisors (see below), whose sum is σ = 13466100960. Its totient is φ = 5908129920.

The previous prime is 9090999961. The next prime is 9091000013. The reversal of 9090999963 is 3699990909.

It is not a de Polignac number, because 9090999963 - 2¹ = 9090999961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9090999963.

It is not an unprimeable number, because it can be changed into a prime (9090999961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23056 + ... + 136797.

It is an arithmetic number, because the mean of its divisors is an integer number (561087540).

Almost surely, 2^9090999963 is an apocalyptic number.

9090999963 is a deficient number, since it is larger than the sum of its proper divisors (4375100997).

9090999963 is a wasteful number, since it uses less digits than its factorization.

9090999963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160019 (or 160016 counting only the distinct ones).

The product of its (nonzero) digits is 9565938, while the sum is 63.

The square root of 9090999963 is about 95346.7354606334. The cubic root of 9090999963 is about 2087.0709764487.

The spelling of 9090999963 in words is "nine billion, ninety million, nine hundred ninety-nine thousand, nine hundred sixty-three".