4891046493 has 16 divisors (see below), whose sum is σ = 6740407296. Its totient is φ = 3152863920.

The previous prime is 4891046449. The next prime is 4891046507. The reversal of 4891046493 is 3946401984.

It is a happy number.

It is not a de Polignac number, because 4891046493 - 2¹³ = 4891038301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891046593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197263 + ... + 220668.

It is an arithmetic number, because the mean of its divisors is an integer number (421275456).

Almost surely, 2^4891046493 is an apocalyptic number.

It is an amenable number.

4891046493 is a deficient number, since it is larger than the sum of its proper divisors (1849360803).

4891046493 is a wasteful number, since it uses less digits than its factorization.

4891046493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418064.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 4891046493 is about 69936.0171370947. The cubic root of 4891046493 is about 1697.4640959840.

The spelling of 4891046493 in words is "four billion, eight hundred ninety-one million, forty-six thousand, four hundred ninety-three".