4991730326 has 16 divisors (see below), whose sum is σ = 8171409600. Its totient is φ = 2268100680.

The previous prime is 4991730313. The next prime is 4991730353. The reversal of 4991730326 is 6230371994.

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, 17345 + ... + 101411.

It is an arithmetic number, because the mean of its divisors is an integer number (510713100).

Almost surely, 2^4991730326 is an apocalyptic number.

4991730326 is a deficient number, since it is larger than the sum of its proper divisors (3179679274).

4991730326 is a wasteful number, since it uses less digits than its factorization.

4991730326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86779.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 4991730326 is about 70652.1784943677. The cubic root of 4991730326 is about 1709.0326968857.

The spelling of 4991730326 in words is "four billion, nine hundred ninety-one million, seven hundred thirty thousand, three hundred twenty-six".