4689780479 has 4 divisors (see below), whose sum is σ = 4692488376. Its totient is φ = 4687072584.

The previous prime is 4689780439. The next prime is 4689780503. The reversal of 4689780479 is 9740879864.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4689780479 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 (4689780439) 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, 1351349 + ... + 1354814.

It is an arithmetic number, because the mean of its divisors is an integer number (1173122094).

Almost surely, 2^4689780479 is an apocalyptic number.

4689780479 is a deficient number, since it is larger than the sum of its proper divisors (2707897).

4689780479 is a wasteful number, since it uses less digits than its factorization.

4689780479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707896.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The square root of 4689780479 is about 68481.9719269240. The cubic root of 4689780479 is about 1673.8537317000.

The spelling of 4689780479 in words is "four billion, six hundred eighty-nine million, seven hundred eighty thousand, four hundred seventy-nine".