4665640747 has 2 divisors, whose sum is σ = 4665640748. Its totient is φ = 4665640746.

The previous prime is 4665640723. The next prime is 4665640757. The reversal of 4665640747 is 7470465664.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4665640747 - 2⁷ = 4665640619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4665640747.

It is not a weakly prime, because it can be changed into another prime (4665640757) 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, 2332820373 + 2332820374.

It is an arithmetic number, because the mean of its divisors is an integer number (2332820374).

Almost surely, 2^4665640747 is an apocalyptic number.

4665640747 is a deficient number, since it is larger than the sum of its proper divisors (1).

4665640747 is an equidigital number, since it uses as much as digits as its factorization.

4665640747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The square root of 4665640747 is about 68305.4957305779. The cubic root of 4665640747 is about 1670.9768445623.

The spelling of 4665640747 in words is "four billion, six hundred sixty-five million, six hundred forty thousand, seven hundred forty-seven".