4991653916 has 12 divisors (see below), whose sum is σ = 8821884120. Its totient is φ = 2471115600.

The previous prime is 4991653889. The next prime is 4991653987. The reversal of 4991653916 is 6193561994.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6177386 + ... + 6178193.

It is an arithmetic number, because the mean of its divisors is an integer number (735157010).

Almost surely, 2^4991653916 is an apocalyptic number.

It is an amenable number.

4991653916 is a deficient number, since it is larger than the sum of its proper divisors (3830230204).

4991653916 is a wasteful number, since it uses less digits than its factorization.

4991653916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12355684 (or 12355682 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 53.

The square root of 4991653916 is about 70651.6377446411. The cubic root of 4991653916 is about 1709.0239766060.

The spelling of 4991653916 in words is "four billion, nine hundred ninety-one million, six hundred fifty-three thousand, nine hundred sixteen".