4767745921 has 4 divisors (see below), whose sum is σ = 4834897344. Its totient is φ = 4700594500.

The previous prime is 4767745903. The next prime is 4767745933. The reversal of 4767745921 is 1295477674.

It is a happy number.

4767745921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4767745921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4767745991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33575605 + ... + 33575746.

It is an arithmetic number, because the mean of its divisors is an integer number (1208724336).

Almost surely, 2^4767745921 is an apocalyptic number.

It is an amenable number.

4767745921 is a deficient number, since it is larger than the sum of its proper divisors (67151423).

4767745921 is an equidigital number, since it uses as much as digits as its factorization.

4767745921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67151422.

The product of its digits is 2963520, while the sum is 52.

The square root of 4767745921 is about 69048.8661818570. The cubic root of 4767745921 is about 1683.0784825525.

The spelling of 4767745921 in words is "four billion, seven hundred sixty-seven million, seven hundred forty-five thousand, nine hundred twenty-one".