4689938977 has 2 divisors, whose sum is σ = 4689938978. Its totient is φ = 4689938976.

The previous prime is 4689938933. The next prime is 4689939017. The reversal of 4689938977 is 7798399864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4467451921 + 222487056 = 66839^2 + 14916^2 .

It is a cyclic number.

It is not a de Polignac number, because 4689938977 - 2⁷ = 4689938849 is a prime.

It is not a weakly prime, because it can be changed into another prime (4689938917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2344969488 + 2344969489.

It is an arithmetic number, because the mean of its divisors is an integer number (2344969489).

Almost surely, 2^4689938977 is an apocalyptic number.

It is an amenable number.

4689938977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4689938977 is an equidigital number, since it uses as much as digits as its factorization.

4689938977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 164602368, while the sum is 70.

The square root of 4689938977 is about 68483.1291414170. The cubic root of 4689938977 is about 1673.8725882671.

The spelling of 4689938977 in words is "four billion, six hundred eighty-nine million, nine hundred thirty-eight thousand, nine hundred seventy-seven".