4789149905 has 8 divisors (see below), whose sum is σ = 5750500392. Its totient is φ = 3828972928.

The previous prime is 4789149901. The next prime is 4789149943. The reversal of 4789149905 is 5099419874.

It can be written as a sum of positive squares in 4 ways, for example, as 1478656 + 4787671249 = 1216^2 + 69193^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4789149905 - 2² = 4789149901 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4789149901) 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, 284372 + ... + 300741.

It is an arithmetic number, because the mean of its divisors is an integer number (718812549).

Almost surely, 2^4789149905 is an apocalyptic number.

It is an amenable number.

4789149905 is a deficient number, since it is larger than the sum of its proper divisors (961350487).

4789149905 is a wasteful number, since it uses less digits than its factorization.

4789149905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586755.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The square root of 4789149905 is about 69203.6841866096. The cubic root of 4789149905 is about 1685.5933544165.

The spelling of 4789149905 in words is "four billion, seven hundred eighty-nine million, one hundred forty-nine thousand, nine hundred five".