4721705377 has 2 divisors, whose sum is σ = 4721705378. Its totient is φ = 4721705376.

The previous prime is 4721705347. The next prime is 4721705389. The reversal of 4721705377 is 7735071274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3844124001 + 877581376 = 62001^2 + 29624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4721705377 is a prime.

It is not a weakly prime, because it can be changed into another prime (4721705347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360852688 + 2360852689.

It is an arithmetic number, because the mean of its divisors is an integer number (2360852689).

Almost surely, 2^4721705377 is an apocalyptic number.

It is an amenable number.

4721705377 is a deficient number, since it is larger than the sum of its proper divisors (1).

4721705377 is an equidigital number, since it uses as much as digits as its factorization.

4721705377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288120, while the sum is 43.

The square root of 4721705377 is about 68714.6663893524. Note that the first 3 decimals coincide. The cubic root of 4721705377 is about 1677.6433056841.

The spelling of 4721705377 in words is "four billion, seven hundred twenty-one million, seven hundred five thousand, three hundred seventy-seven".