4640820479 has 2 divisors, whose sum is σ = 4640820480. Its totient is φ = 4640820478.

The previous prime is 4640820449. The next prime is 4640820487. The reversal of 4640820479 is 9740280464.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4640820479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640820449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320410239 + 2320410240.

It is an arithmetic number, because the mean of its divisors is an integer number (2320410240).

Almost surely, 2^4640820479 is an apocalyptic number.

4640820479 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640820479 is an equidigital number, since it uses as much as digits as its factorization.

4640820479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 4640820479 is about 68123.5677207235. The cubic root of 4640820479 is about 1668.0084880105.

The spelling of 4640820479 in words is "four billion, six hundred forty million, eight hundred twenty thousand, four hundred seventy-nine".