4767123509 has 4 divisors (see below), whose sum is σ = 4824558816. Its totient is φ = 4709688204.

The previous prime is 4767123481. The next prime is 4767123521. The reversal of 4767123509 is 9053217674.

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-4767123509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4767123509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4767123539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28717529 + ... + 28717694.

It is an arithmetic number, because the mean of its divisors is an integer number (1206139704).

Almost surely, 2^4767123509 is an apocalyptic number.

It is an amenable number.

4767123509 is a deficient number, since it is larger than the sum of its proper divisors (57435307).

4767123509 is an equidigital number, since it uses as much as digits as its factorization.

4767123509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57435306.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 4767123509 is about 69044.3589947796. The cubic root of 4767123509 is about 1683.0052394274.

The spelling of 4767123509 in words is "four billion, seven hundred sixty-seven million, one hundred twenty-three thousand, five hundred nine".