4991153903 has 8 divisors (see below), whose sum is σ = 5003461008. Its totient is φ = 4978859904.

The previous prime is 4991153899. The next prime is 4991153917. The reversal of 4991153903 is 3093511994.

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 4991153903 - 2² = 4991153899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991153603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1576400 + ... + 1579562.

It is an arithmetic number, because the mean of its divisors is an integer number (625432626).

Almost surely, 2^4991153903 is an apocalyptic number.

4991153903 is a deficient number, since it is larger than the sum of its proper divisors (12307105).

4991153903 is a wasteful number, since it uses less digits than its factorization.

4991153903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 4991153903 is about 70648.0990756298. The cubic root of 4991153903 is about 1708.9669105009.

The spelling of 4991153903 in words is "four billion, nine hundred ninety-one million, one hundred fifty-three thousand, nine hundred three".