4789626857 has 2 divisors, whose sum is σ = 4789626858. Its totient is φ = 4789626856.

The previous prime is 4789626839. The next prime is 4789626889. The reversal of 4789626857 is 7586269874.

4789626857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4301261056 + 488365801 = 65584^2 + 22099^2 .

It is a cyclic number.

It is not a de Polignac number, because 4789626857 - 2¹⁰ = 4789625833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4789626857.

It is not a weakly prime, because it can be changed into another prime (4789626817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2394813428 + 2394813429.

It is an arithmetic number, because the mean of its divisors is an integer number (2394813429).

Almost surely, 2^4789626857 is an apocalyptic number.

It is an amenable number.

4789626857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4789626857 is an equidigital number, since it uses as much as digits as its factorization.

4789626857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40642560, while the sum is 62.

The square root of 4789626857 is about 69207.1301023240. The cubic root of 4789626857 is about 1685.6493087056.

The spelling of 4789626857 in words is "four billion, seven hundred eighty-nine million, six hundred twenty-six thousand, eight hundred fifty-seven".