4973448691 has 4 divisors (see below), whose sum is σ = 4973999584. Its totient is φ = 4972897800.

The previous prime is 4973448653. The next prime is 4973448731. The reversal of 4973448691 is 1968443794.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4973448691 - 2¹³ = 4973440499 is a prime.

It is a super-2 number, since 2×4973448691² = 49470383764019226962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4973448091) 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 3 ways as a sum of consecutive naturals, for example, 261675 + ... + 280036.

It is an arithmetic number, because the mean of its divisors is an integer number (1243499896).

Almost surely, 2^4973448691 is an apocalyptic number.

4973448691 is a deficient number, since it is larger than the sum of its proper divisors (550893).

4973448691 is an equidigital number, since it uses as much as digits as its factorization.

4973448691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550892.

The product of its digits is 5225472, while the sum is 55.

The square root of 4973448691 is about 70522.6821029944. The cubic root of 4973448691 is about 1706.9437664531.

The spelling of 4973448691 in words is "four billion, nine hundred seventy-three million, four hundred forty-eight thousand, six hundred ninety-one".