4640488469 has 2 divisors, whose sum is σ = 4640488470. Its totient is φ = 4640488468.

The previous prime is 4640488423. The next prime is 4640488471. The reversal of 4640488469 is 9648840464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2425562500 + 2214925969 = 49250^2 + 47063^2 .

It is a cyclic number.

It is not a de Polignac number, because 4640488469 - 2³² = 345521173 is a prime.

It is a super-2 number, since 2×4640488469² = 43068266461843927922, which contains 22 as substring.

Together with 4640488471, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4640488469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640428469) 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, 2320244234 + 2320244235.

It is an arithmetic number, because the mean of its divisors is an integer number (2320244235).

Almost surely, 2^4640488469 is an apocalyptic number.

It is an amenable number.

4640488469 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640488469 is an equidigital number, since it uses as much as digits as its factorization.

4640488469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5308416, while the sum is 53.

The square root of 4640488469 is about 68121.1308552640. The cubic root of 4640488469 is about 1667.9687099362.

The spelling of 4640488469 in words is "four billion, six hundred forty million, four hundred eighty-eight thousand, four hundred sixty-nine".