9949395663 has 6 divisors (see below), whose sum is σ = 14371349304. Its totient is φ = 6632930436.

The previous prime is 9949395649. The next prime is 9949395713. The reversal of 9949395663 is 3665939499.

9949395663 is a `hidden beast` number, since 99 + 493 + 9 + 56 + 6 + 3 = 666.

It is not a de Polignac number, because 9949395663 - 2⁹ = 9949395151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9949395663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9949395613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 552744195 + ... + 552744212.

It is an arithmetic number, because the mean of its divisors is an integer number (2395224884).

Almost surely, 2^9949395663 is an apocalyptic number.

9949395663 is a deficient number, since it is larger than the sum of its proper divisors (4421953641).

9949395663 is a wasteful number, since it uses less digits than its factorization.

9949395663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105488413 (or 1105488410 counting only the distinct ones).

The product of its digits is 42515280, while the sum is 63.

The square root of 9949395663 is about 99746.6574026418. The cubic root of 9949395663 is about 2150.7944180208.

The spelling of 9949395663 in words is "nine billion, nine hundred forty-nine million, three hundred ninety-five thousand, six hundred sixty-three".