4648723789 has 4 divisors (see below), whose sum is σ = 4651108480. Its totient is φ = 4646339100.

The previous prime is 4648723747. The next prime is 4648723801. The reversal of 4648723789 is 9873278464.

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-4648723789 is a prime.

It is a super-2 number, since 2×4648723789² = 43221265732829033042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4648723489) 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, 1189419 + ... + 1193320.

It is an arithmetic number, because the mean of its divisors is an integer number (1162777120).

Almost surely, 2^4648723789 is an apocalyptic number.

It is an amenable number.

4648723789 is a deficient number, since it is larger than the sum of its proper divisors (2384691).

4648723789 is a wasteful number, since it uses less digits than its factorization.

4648723789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384690.

The product of its digits is 16257024, while the sum is 58.

The square root of 4648723789 is about 68181.5502097158. The cubic root of 4648723789 is about 1668.9548229580.

The spelling of 4648723789 in words is "four billion, six hundred forty-eight million, seven hundred twenty-three thousand, seven hundred eighty-nine".