4991316902 has 16 divisors (see below), whose sum is σ = 8795887632. Its totient is φ = 2094258720.

The previous prime is 4991316899. The next prime is 4991316919. The reversal of 4991316902 is 2096131994.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8725793 + ... + 8726364.

It is an arithmetic number, because the mean of its divisors is an integer number (549742977).

Almost surely, 2^4991316902 is an apocalyptic number.

4991316902 is a deficient number, since it is larger than the sum of its proper divisors (3804570730).

4991316902 is a wasteful number, since it uses less digits than its factorization.

4991316902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17452183.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 4991316902 is about 70649.2526641294. The cubic root of 4991316902 is about 1708.9855138721.

The spelling of 4991316902 in words is "four billion, nine hundred ninety-one million, three hundred sixteen thousand, nine hundred two".