4719662641 has 2 divisors, whose sum is σ = 4719662642. Its totient is φ = 4719662640.

The previous prime is 4719662639. The next prime is 4719662663. The reversal of 4719662641 is 1462669174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4121126416 + 598536225 = 64196^2 + 24465^2 .

It is a cyclic number.

It is not a de Polignac number, because 4719662641 - 2¹ = 4719662639 is a prime.

Together with 4719662639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4719662591 and 4719662600.

It is not a weakly prime, because it can be changed into another prime (4719662141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2359831320 + 2359831321.

It is an arithmetic number, because the mean of its divisors is an integer number (2359831321).

Almost surely, 2^4719662641 is an apocalyptic number.

It is an amenable number.

4719662641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4719662641 is an equidigital number, since it uses as much as digits as its factorization.

4719662641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 4719662641 is about 68699.8008803519. The cubic root of 4719662641 is about 1677.4013396695.

The spelling of 4719662641 in words is "four billion, seven hundred nineteen million, six hundred sixty-two thousand, six hundred forty-one".