4781719623 has 8 divisors (see below), whose sum is σ = 6394546288. Its totient is φ = 3178353024.

The previous prime is 4781719603. The next prime is 4781719627. The reversal of 4781719623 is 3269171874.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4781719623 - 2⁶ = 4781719559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781719627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363836 + ... + 2365857.

It is an arithmetic number, because the mean of its divisors is an integer number (799318286).

Almost surely, 2^4781719623 is an apocalyptic number.

4781719623 is a deficient number, since it is larger than the sum of its proper divisors (1612826665).

4781719623 is a wasteful number, since it uses less digits than its factorization.

4781719623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730033.

The product of its digits is 508032, while the sum is 48.

The square root of 4781719623 is about 69149.9791973938. The cubic root of 4781719623 is about 1684.7211803742.

The spelling of 4781719623 in words is "four billion, seven hundred eighty-one million, seven hundred nineteen thousand, six hundred twenty-three".